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SCHEME OF WORK
Mathematics
Form 3 2025
TERM II
School


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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1 1
Circles: Chords and Tangents
Length of an arc
By the end of the lesson, the learner should be able to:
Calculate the length of an arc
Apply arc length formula
Understand arc-radius relationships
Q/A on circle properties and terminology
Discussions on arc measurement concepts
Solving basic arc length problems
Demonstrations of formula application
Explaining arc-angle relationships
Geometrical set, calculators
KLB Mathematics Book Three Pg 124-125
1 2
Circles: Chords and Tangents
Length of an arc
By the end of the lesson, the learner should be able to:
Calculate the length of an arc
Solve complex arc length problems
Apply arc concepts to real situations
Q/A on advanced arc applications
Discussions on practical arc measurements
Solving complex arc problems
Demonstrations of real-world applications
Explaining engineering and design uses
Geometrical set, calculators
KLB Mathematics Book Three Pg 124-125
1 3
Circles: Chords and Tangents
Chords
By the end of the lesson, the learner should be able to:
Calculate the length of a chord
Apply chord properties and theorems
Understand chord-radius relationships
Q/A on chord definition and properties
Discussions on chord calculation methods
Solving basic chord problems
Demonstrations of geometric constructions
Explaining chord theorems
Geometrical set, calculators
KLB Mathematics Book Three Pg 126-128
1 4
Circles: Chords and Tangents
Parallel chords
By the end of the lesson, the learner should be able to:
Calculate the perpendicular bisector
Find the value of parallel chords
Apply parallel chord properties
Q/A on parallel chord concepts
Discussions on perpendicular bisector properties
Solving parallel chord problems
Demonstrations of construction techniques
Explaining geometric relationships
Geometrical set, calculators
KLB Mathematics Book Three Pg 129-131
1 5
Circles: Chords and Tangents
Equal chords
By the end of the lesson, the learner should be able to:
Find the length of equal chords
Apply equal chord theorems
Solve equal chord problems
Q/A on equal chord properties
Discussions on chord equality conditions
Solving equal chord problems
Demonstrations of proof techniques
Explaining theoretical foundations
Geometrical set, calculators
KLB Mathematics Book Three Pg 131-132
1 6
Circles: Chords and Tangents
Intersecting chords
By the end of the lesson, the learner should be able to:
Calculate the length of intersecting chords
Apply intersecting chord theorem
Understand chord intersection properties
Q/A on chord intersection concepts
Discussions on intersection theorem
Solving basic intersection problems
Demonstrations of theorem application
Explaining geometric proofs
Geometrical set, calculators
KLB Mathematics Book Three Pg 132-135
1 7
Circles: Chords and Tangents
Intersecting chords
By the end of the lesson, the learner should be able to:
Calculate the length of intersecting chords
Solve complex intersection problems
Apply advanced chord theorems
Q/A on advanced intersection scenarios
Discussions on complex chord relationships
Solving challenging intersection problems
Demonstrations of advanced techniques
Explaining sophisticated applications
Geometrical set, calculators
KLB Mathematics Book Three Pg 135-139
2 1
Circles: Chords and Tangents
Chord properties
By the end of the lesson, the learner should be able to:
Solve comprehensive chord problems
Integrate all chord concepts
Apply chord knowledge systematically
Q/A on comprehensive chord understanding
Discussions on integrated problem-solving
Solving mixed chord problems
Demonstrations of systematic approaches
Explaining complete chord mastery
Geometrical set, calculators
KLB Mathematics Book Three Pg 126-139
2 2
Circles: Chords and Tangents
Tangent to a circle
By the end of the lesson, the learner should be able to:
Construct a tangent to a circle
Understand tangent properties
Apply tangent construction methods
Q/A on tangent definition and properties
Discussions on tangent construction
Solving basic tangent problems
Demonstrations of construction techniques
Explaining tangent characteristics
Geometrical set, calculators
KLB Mathematics Book Three Pg 139-140
2 3
Circles: Chords and Tangents
Tangent to a circle
By the end of the lesson, the learner should be able to:
Calculate the length of tangent
Calculate the angle between tangents
Apply tangent measurement techniques
Q/A on tangent calculations
Discussions on tangent measurement
Solving tangent calculation problems
Demonstrations of measurement methods
Explaining tangent applications
Geometrical set, calculators
KLB Mathematics Book Three Pg 141-142
2 4
Circles: Chords and Tangents
Properties of tangents to a circle from an external point
Tangent properties
By the end of the lesson, the learner should be able to:
State the properties of tangents to a circle from an external point
Apply external tangent properties
Solve external tangent problems
Q/A on external tangent concepts
Discussions on tangent properties
Solving external tangent problems
Demonstrations of property applications
Explaining theoretical foundations
Geometrical set, calculators
KLB Mathematics Book Three Pg 142-144
2 5
Circles: Chords and Tangents
Tangents to two circles
By the end of the lesson, the learner should be able to:
Calculate the tangents of direct common tangents
Find direct common tangent properties
Apply two-circle tangent concepts
Q/A on two-circle tangent concepts
Discussions on direct tangent properties
Solving direct tangent problems
Demonstrations of construction methods
Explaining geometric relationships
Geometrical set, calculators
KLB Mathematics Book Three Pg 148-149
2 6
Circles: Chords and Tangents
Tangents to two circles
By the end of the lesson, the learner should be able to:
Calculate the tangents of transverse common tangents
Find transverse tangent properties
Compare direct and transverse tangents
Q/A on transverse tangent concepts
Discussions on tangent type differences
Solving transverse tangent problems
Demonstrations of comparison methods
Explaining tangent classifications
Geometrical set, calculators
KLB Mathematics Book Three Pg 150-151
2 7
Circles: Chords and Tangents
Contact of circles
By the end of the lesson, the learner should be able to:
Calculate the radii of contact circles
Understand internal contact properties
Apply contact circle concepts
Q/A on circle contact concepts
Discussions on internal contact properties
Solving internal contact problems
Demonstrations of contact relationships
Explaining geometric principles
Geometrical set, calculators
KLB Mathematics Book Three Pg 151-153
3 1
Circles: Chords and Tangents
Contact of circles
By the end of the lesson, the learner should be able to:
Calculate the radii of contact circles
Understand external contact properties
Compare internal and external contact
Q/A on external contact concepts
Discussions on contact type differences
Solving external contact problems
Demonstrations of contact analysis
Explaining contact applications
Geometrical set, calculators
KLB Mathematics Book Three Pg 153-154
3 2
Circles: Chords and Tangents
Circle contact
By the end of the lesson, the learner should be able to:
Solve problems involving chords, tangents and contact circles
Integrate all contact concepts
Apply comprehensive contact knowledge
Q/A on comprehensive contact understanding
Discussions on integrated problem-solving
Solving complex contact problems
Demonstrations of systematic approaches
Explaining complete contact mastery
Geometrical set, calculators
KLB Mathematics Book Three Pg 154-157
3 3
Circles: Chords and Tangents
Angle in alternate segment
By the end of the lesson, the learner should be able to:
Calculate the angles in alternate segments
Apply alternate segment theorem
Understand segment angle properties
Q/A on alternate segment concepts
Discussions on segment angle relationships
Solving basic segment problems
Demonstrations of theorem application
Explaining geometric proofs
Geometrical set, calculators
KLB Mathematics Book Three Pg 157-160
3 4
Circles: Chords and Tangents
Angle in alternate segment
By the end of the lesson, the learner should be able to:
Calculate the angles in alternate segments
Solve complex segment problems
Apply advanced segment theorems
Q/A on advanced segment applications
Discussions on complex angle relationships
Solving challenging segment problems
Demonstrations of sophisticated techniques
Explaining advanced applications
Geometrical set, calculators
KLB Mathematics Book Three Pg 160-161
3 5
Circles: Chords and Tangents
Circumscribed circle
By the end of the lesson, the learner should be able to:
Construct circumscribed circles
Find circumscribed circle properties
Apply circumscription concepts
Q/A on circumscription concepts
Discussions on circumscribed circle construction
Solving circumscription problems
Demonstrations of construction techniques
Explaining circumscription applications
Geometrical set, calculators
KLB Mathematics Book Three Pg 165
3 6
Circles: Chords and Tangents
Escribed circles
By the end of the lesson, the learner should be able to:
Construct escribed circles
Find escribed circle properties
Apply escription concepts
Q/A on escription concepts
Discussions on escribed circle construction
Solving escription problems
Demonstrations of construction methods
Explaining escription applications
Geometrical set, calculators
KLB Mathematics Book Three Pg 165-166
3 7
Circles: Chords and Tangents
Centroid
By the end of the lesson, the learner should be able to:
Construct centroid
Find centroid properties
Apply centroid concepts
Q/A on centroid definition and properties
Discussions on centroid construction
Solving centroid problems
Demonstrations of construction techniques
Explaining centroid applications
Geometrical set, calculators
KLB Mathematics Book Three Pg 166
4 1
Circles: Chords and Tangents
Orthocenter
By the end of the lesson, the learner should be able to:
Construct orthocenter
Find orthocenter properties
Apply orthocenter concepts
Q/A on orthocenter concepts
Discussions on orthocenter construction
Solving orthocenter problems
Demonstrations of construction methods
Explaining orthocenter applications
Geometrical set, calculators
KLB Mathematics Book Three Pg 167
4 2
Circles: Chords and Tangents
Matrices
Circle and triangle relationships
Introduction and real-life applications
By the end of the lesson, the learner should be able to:
Solve comprehensive circle-triangle problems
Integrate all circle and triangle concepts
Apply advanced geometric relationships
Q/A on comprehensive geometric understanding
Discussions on integrated relationships
Solving complex geometric problems
Demonstrations of advanced applications
Explaining sophisticated geometric principles
Geometrical set, calculators
Old newspapers with league tables, chalk and blackboard, exercise books
KLB Mathematics Book Three Pg 164-167
4 3
Matrices
Order of a matrix and elements
Square matrices, row and column matrices
By the end of the lesson, the learner should be able to:
Determine the order of given matrices
Identify matrix elements by position
Use correct notation for matrix elements
Distinguish between different matrix types
Q/A on matrix structure using grid drawings
Discussions on rows and columns using classroom seating
Solving element location using coordinate games
Demonstrations using drawn grids on blackboard
Explaining position notation using class register
Chalk and blackboard, ruled exercise books, class register
Paper cutouts, chalk and blackboard, counters or bottle tops
KLB Mathematics Book Three Pg 169-170
4 4
Matrices
Addition of matrices
Subtraction of matrices
By the end of the lesson, the learner should be able to:
Add matrices of the same order
Apply matrix addition rules correctly
Understand compatibility for addition
Solve matrix addition problems systematically
Q/A on matrix addition using number examples
Discussions on element-wise addition using counters
Solving basic addition using blackboard work
Demonstrations using physical counting objects
Explaining compatibility using size comparisons
Counters or stones, chalk and blackboard, exercise books
Chalk and blackboard, exercise books, number cards made from cardboard
KLB Mathematics Book Three Pg 170-171
4 5
Matrices
Combined addition and subtraction
Scalar multiplication
By the end of the lesson, the learner should be able to:
Perform multiple matrix operations
Apply order of operations in matrix calculations
Solve complex combined problems
Demonstrate systematic problem-solving
Q/A on operation order using BODMAS rules
Discussions on complex expressions using step-by-step approach
Solving multi-step problems using organized methods
Demonstrations using systematic blackboard work
Explaining operation sequencing using flowcharts
Chalk and blackboard, exercise books, locally made operation cards
Beans or stones for grouping, chalk and blackboard, exercise books
KLB Mathematics Book Three Pg 171-174
4 6
Matrices
Introduction to matrix multiplication
Matrix multiplication (2×2 matrices)
By the end of the lesson, the learner should be able to:
Understand matrix multiplication prerequisites
Learn compatibility requirements for multiplication
Apply row-by-column multiplication method
Calculate simple matrix products
Q/A on multiplication compatibility using dimensions
Discussions on row-column method using finger tracing
Solving basic multiplication using dot product method
Demonstrations using physical row-column matching
Explaining order requirements using practical examples
Chalk and blackboard, rulers for tracing, exercise books
Chalk and blackboard, exercise books, homemade grid templates
KLB Mathematics Book Three Pg 174-176
4 7
Matrices
Matrix multiplication (larger matrices)
By the end of the lesson, the learner should be able to:
Multiply matrices of various orders
Apply multiplication to 3×3 and larger matrices
Determine when multiplication is possible
Calculate products efficiently
Q/A on larger matrix multiplication using patterns
Discussions on efficiency techniques using shortcuts
Solving advanced problems using systematic methods
Demonstrations using organized calculation procedures
Explaining general principles using examples
Chalk and blackboard, large sheets of paper for working, exercise books
KLB Mathematics Book Three Pg 176-179
5 1
Matrices
Properties of matrix multiplication
By the end of the lesson, the learner should be able to:
Understand non-commutativity of matrix multiplication
Apply associative and distributive properties
Distinguish between pre and post multiplication
Solve problems involving multiplication properties
Q/A on multiplication properties using counterexamples
Discussions on order importance using practical examples
Solving property-based problems using verification
Demonstrations using concrete examples
Explaining distributive law using expansion
Chalk and blackboard, exercise books, cardboard for property cards
KLB Mathematics Book Three Pg 174-179
5 2
Matrices
Real-world matrix multiplication applications
By the end of the lesson, the learner should be able to:
Apply matrix multiplication to practical problems
Solve business and economic applications
Calculate costs, revenues, and quantities
Interpret matrix multiplication results
Q/A on practical applications using local business examples
Discussions on market problems using familiar contexts
Solving real-world problems using matrix methods
Demonstrations using shop keeper scenarios
Explaining result interpretation using meaningful contexts
Chalk and blackboard, local price lists, exercise books
KLB Mathematics Book Three Pg 176-179
5 3
Matrices
Identity matrix
By the end of the lesson, the learner should be able to:
Define and identify identity matrices
Understand identity matrix properties
Apply identity matrices in multiplication
Recognize the multiplicative identity role
Q/A on identity concepts using number 1 analogy
Discussions on multiplicative identity using examples
Solving identity problems using pattern recognition
Demonstrations using multiplication by 1 concept
Explaining diagonal properties using visual patterns
Chalk and blackboard, exercise books, pattern cards made from paper
KLB Mathematics Book Three Pg 182-183
5 4
Matrices
Determinant of 2×2 matrices
By the end of the lesson, the learner should be able to:
Calculate determinants of 2×2 matrices
Apply the determinant formula correctly
Understand geometric interpretation of determinants
Use determinants to classify matrices
Q/A on determinant calculation using cross multiplication
Discussions on formula application using memory aids
Solving determinant problems using systematic approach
Demonstrations using cross pattern method
Explaining geometric meaning using area concepts
Chalk and blackboard, exercise books, crossed sticks for demonstration
KLB Mathematics Book Three Pg 183
5 5
Matrices
Inverse of 2×2 matrices - theory
By the end of the lesson, the learner should be able to:
Understand the concept of matrix inverse
Identify conditions for matrix invertibility
Apply the inverse formula for 2×2 matrices
Understand singular matrices
Q/A on inverse concepts using reciprocal analogy
Discussions on invertibility using determinant conditions
Solving basic inverse problems using formula
Demonstrations using step-by-step method
Explaining singular matrices using zero determinant
Chalk and blackboard, exercise books, fraction examples
KLB Mathematics Book Three Pg 183-185
5 6
Matrices
Inverse of 2×2 matrices - practice
By the end of the lesson, the learner should be able to:
Calculate inverses of 2×2 matrices systematically
Verify inverse calculations through multiplication
Apply inverse properties correctly
Solve complex inverse problems
Q/A on inverse calculation verification methods
Discussions on accuracy checking using multiplication
Solving advanced inverse problems using practice
Demonstrations using verification procedures
Explaining checking methods using examples
Chalk and blackboard, exercise books, scrap paper for verification
KLB Mathematics Book Three Pg 185-187
5 7
Matrices
Introduction to solving simultaneous equations
By the end of the lesson, the learner should be able to:
Understand matrix representation of simultaneous equations
Identify coefficient and constant matrices
Set up matrix equations correctly
Recognize the structure of linear systems
Q/A on equation representation using familiar equations
Discussions on coefficient identification using examples
Solving setup problems using systematic approach
Demonstrations using equation breakdown method
Explaining structure using organized layout
Chalk and blackboard, exercise books, equation examples from previous topics
KLB Mathematics Book Three Pg 188-189
6 1
Matrices
Solving 2×2 simultaneous equations using matrices
By the end of the lesson, the learner should be able to:
Solve 2×2 simultaneous equations using matrix methods
Apply inverse matrix techniques
Verify solutions by substitution
Compare matrix method with other techniques
Q/A on matrix solution methods using step-by-step approach
Discussions on solution verification using substitution
Solving 2×2 systems using complete method
Demonstrations using organized solution process
Explaining method advantages using comparisons
Chalk and blackboard, exercise books, previous elimination method examples
KLB Mathematics Book Three Pg 188-190
6 2
Matrices
Advanced simultaneous equation problems
By the end of the lesson, the learner should be able to:
Solve complex simultaneous equation systems
Handle systems with no solution or infinite solutions
Interpret determinant values in solution context
Apply matrix methods to word problems
Q/A on complex systems using special cases
Discussions on solution types using geometric interpretation
Solving challenging problems using complete analysis
Demonstrations using classification methods
Explaining geometric meaning using line concepts
Chalk and blackboard, exercise books, graph paper if available
KLB Mathematics Book Three Pg 188-190
6 3
Matrices
Matrix applications in real-world problems
By the end of the lesson, the learner should be able to:
Apply matrix operations to practical scenarios
Solve business, engineering, and scientific problems
Model real situations using matrices
Interpret matrix solutions in context
Q/A on practical applications using local examples
Discussions on modeling using familiar situations
Solving comprehensive problems using matrix tools
Demonstrations using community-based scenarios
Explaining solution interpretation using meaningful contexts
Chalk and blackboard, local business examples, exercise books
KLB Mathematics Book Three Pg 168-190
6 4
Matrices
Transpose of matrices
By the end of the lesson, the learner should be able to:
Define and calculate matrix transpose
Understand transpose properties
Apply transpose operations correctly
Solve problems involving transpose
Q/A on transpose concepts using reflection ideas
Discussions on row-column interchange using visual methods
Solving transpose problems using systematic approach
Demonstrations using flip and rotate concepts
Explaining properties using symmetry ideas
Chalk and blackboard, exercise books, paper cutouts for demonstration
KLB Mathematics Book Three Pg 170-174
6 5
Matrices
Matrix equation solving
By the end of the lesson, the learner should be able to:
Solve matrix equations systematically
Find unknown matrices in equations
Apply inverse operations to solve equations
Verify matrix equation solutions
Q/A on equation solving using algebraic analogy
Discussions on unknown determination using systematic methods
Solving matrix equations using step-by-step approach
Demonstrations using organized solution procedures
Explaining verification using checking methods
Chalk and blackboard, exercise books, algebra reference examples
KLB Mathematics Book Three Pg 183-190
6 6
Formulae and Variations
Introduction to formulae
By the end of the lesson, the learner should be able to:
Define formulae and identify formula components
Recognize formulae in everyday contexts
Understand the relationship between variables
Appreciate the importance of formulae in mathematics
Q/A on familiar formulae from daily life
Discussions on cooking recipes as formulae
Analyzing distance-time relationships using walking examples
Demonstrations using perimeter and area calculations
Explaining formula notation using simple examples
Chalk and blackboard, measuring tape or string, exercise books
KLB Mathematics Book Three Pg 191-193
6 7
Formulae and Variations
Subject of a formula - basic cases
By the end of the lesson, the learner should be able to:
Make simple variables the subject of formulae
Apply inverse operations to rearrange formulae
Understand the concept of subject change
Solve basic subject transformation problems
Q/A on inverse operations using number examples
Discussions on formula rearrangement using balance method
Solving basic subject change problems using step-by-step approach
Demonstrations using see-saw balance analogy
Explaining inverse operations using practical examples
Chalk and blackboard, simple balance (stones and stick), exercise books
KLB Mathematics Book Three Pg 191-193
7 1
Formulae and Variations
Subject of a formula - intermediate cases
By the end of the lesson, the learner should be able to:
Make complex variables the subject of formulae
Handle formulae with fractions and powers
Apply multiple inverse operations systematically
Solve intermediate difficulty problems
Q/A on complex rearrangement using systematic approach
Discussions on fraction handling using common denominators
Solving intermediate problems using organized methods
Demonstrations using step-by-step blackboard work
Explaining systematic approaches using flowcharts
Chalk and blackboard, fraction strips made from paper, exercise books
KLB Mathematics Book Three Pg 191-193
7 2
Formulae and Variations
Subject of a formula - advanced cases
Applications of formula manipulation
By the end of the lesson, the learner should be able to:
Make variables subject in complex formulae
Handle square roots and quadratic expressions
Apply advanced algebraic manipulation
Solve challenging subject transformation problems
Q/A on advanced manipulation using careful steps
Discussions on square root handling using examples
Solving complex problems using systematic approach
Demonstrations using detailed blackboard work
Explaining quadratic handling using factoring
Chalk and blackboard, squared paper patterns, exercise books
Chalk and blackboard, local measurement tools, exercise books
KLB Mathematics Book Three Pg 191-193
7 3
Formulae and Variations
Introduction to variation
By the end of the lesson, the learner should be able to:
Understand the concept of variation
Distinguish between variables and constants
Recognize variation in everyday situations
Identify different types of variation
Q/A on variable relationships using daily examples
Discussions on changing quantities in nature and commerce
Analyzing variation patterns using local market prices
Demonstrations using speed-time relationships
Explaining variation types using practical examples
Chalk and blackboard, local price lists from markets, exercise books
KLB Mathematics Book Three Pg 194-196
7 4
Formulae and Variations
Direct variation - introduction
By the end of the lesson, the learner should be able to:
Understand direct proportionality concepts
Recognize direct variation patterns
Use direct variation notation correctly
Calculate constants of proportionality
Q/A on direct relationships using simple examples
Discussions on proportional changes using market scenarios
Solving basic direct variation problems
Demonstrations using doubling and tripling examples
Explaining proportionality using ratio concepts
Chalk and blackboard, beans or stones for counting, exercise books
KLB Mathematics Book Three Pg 194-196
7 5
Sequences and Series
Introduction to sequences and finding terms
By the end of the lesson, the learner should be able to:
Define sequences and identify sequence patterns
Find next terms using established patterns
Recognize different types of sequence patterns
Apply pattern recognition systematically
Q/A on number patterns from daily life
Discussions on counting patterns using classroom arrangements
Solving pattern completion problems step-by-step
Demonstrations using bead or stone arrangements
Explaining sequence terminology and pattern continuation
Chalk and blackboard, stones or beans for patterns, exercise books
KLB Mathematics Book Three Pg 207-208
7 6
Sequences and Series
General term of sequences and applications
By the end of the lesson, the learner should be able to:
Develop general rules for sequences
Express the nth term using algebraic notation
Find specific terms using general formulas
Apply sequence concepts to practical problems
Q/A on rule formulation using systematic approach
Discussions on algebraic expression development
Solving general term and application problems
Demonstrations using position-value relationships
Explaining practical relevance using community examples
Chalk and blackboard, numbered cards made from paper, exercise books
KLB Mathematics Book Three Pg 207-208
7 7
Sequences and Series
Arithmetic sequences and nth term
By the end of the lesson, the learner should be able to:
Define arithmetic sequences and common differences
Calculate common differences correctly
Derive and apply the nth term formula
Solve problems using arithmetic sequence concepts
Q/A on arithmetic patterns using step-by-step examples
Discussions on constant difference patterns and formula derivation
Solving arithmetic sequence problems systematically
Demonstrations using equal-step progressions
Explaining formula structure using algebraic reasoning
Chalk and blackboard, measuring tape or string, exercise books
KLB Mathematics Book Three Pg 209-210
8

Mid term

9 1
Sequences and Series
Arithmetic sequence applications
By the end of the lesson, the learner should be able to:
Solve complex arithmetic sequence problems
Apply arithmetic sequences to real-world problems
Handle word problems involving arithmetic sequences
Model practical situations using arithmetic progressions
Q/A on practical applications using local business examples
Discussions on salary progression and savings plans
Solving real-world problems using sequence methods
Demonstrations using employment and finance scenarios
Explaining practical interpretation using meaningful contexts
Chalk and blackboard, local employment/savings examples, exercise books
KLB Mathematics Book Three Pg 209-210
9 2
Sequences and Series
Geometric sequences and nth term
By the end of the lesson, the learner should be able to:
Define geometric sequences and common ratios
Calculate common ratios correctly
Derive and apply the geometric nth term formula
Understand exponential growth patterns
Q/A on geometric patterns using multiplication examples
Discussions on ratio-based progressions and formula derivation
Solving geometric sequence problems systematically
Demonstrations using doubling and scaling examples
Explaining exponential structure using practical examples
Chalk and blackboard, objects for doubling demonstrations, exercise books
KLB Mathematics Book Three Pg 211-213
9 3
Sequences and Series
Geometric sequence applications
By the end of the lesson, the learner should be able to:
Solve complex geometric sequence problems
Apply geometric sequences to real-world problems
Handle population growth and depreciation problems
Model exponential patterns using sequences
Q/A on practical applications using population/growth examples
Discussions on exponential growth in nature and economics
Solving real-world problems using geometric methods
Demonstrations using population and business scenarios
Explaining practical interpretation using meaningful contexts
Chalk and blackboard, population/growth data examples, exercise books
KLB Mathematics Book Three Pg 211-213
9 4
Sequences and Series
Arithmetic series and sum formula
By the end of the lesson, the learner should be able to:
Define arithmetic series as sums of sequences
Derive the sum formula for arithmetic series
Apply the arithmetic series formula systematically
Calculate sums efficiently using the formula
Q/A on series concepts using summation examples
Discussions on sequence-to-series relationships and formula derivation
Solving arithmetic series problems using step-by-step approach
Demonstrations using cumulative sum examples
Explaining derivation logic using algebraic reasoning
Chalk and blackboard, counting materials for summation, exercise books
KLB Mathematics Book Three Pg 214-215
9 5
Sequences and Series
Geometric series and applications
By the end of the lesson, the learner should be able to:
Define geometric series and understand convergence
Derive and apply geometric series formulas
Handle finite and infinite geometric series
Apply geometric series to practical situations
Q/A on geometric series concepts using multiplication examples
Discussions on convergence and formula applications
Solving geometric series problems including infinite cases
Demonstrations using geometric sum patterns
Explaining convergence using practical examples
Chalk and blackboard, convergence demonstration materials, exercise books
KLB Mathematics Book Three Pg 216-219
9 6
Sequences and Series
Mixed problems and advanced applications
By the end of the lesson, the learner should be able to:
Combine arithmetic and geometric concepts
Solve complex mixed sequence and series problems
Apply appropriate methods for different types
Model real-world situations using mathematical sequences
Q/A on problem type identification using systematic analysis
Discussions on method selection and comprehensive applications
Solving mixed problems using appropriate techniques
Demonstrations using interdisciplinary scenarios
Explaining method choice using logical reasoning
Chalk and blackboard, mixed problem collections, exercise books
KLB Mathematics Book Three Pg 207-219
9 7
Sequences and Series
Sequences in nature and technology
By the end of the lesson, the learner should be able to:
Identify mathematical patterns in natural phenomena
Analyze sequences in biological and technological contexts
Apply sequence concepts to environmental problems
Appreciate mathematics in the natural and modern world
Q/A on natural and technological patterns using examples
Discussions on biological sequences and digital applications
Solving nature and technology-based problems
Demonstrations using natural pattern examples
Explaining mathematical beauty using real phenomena
Chalk and blackboard, natural and technology examples, exercise books
KLB Mathematics Book Three Pg 207-219
10 1
Vectors (II)
Coordinates in two dimensions
By the end of the lesson, the learner should be able to:
Identify the coordinates of a point in two dimensions
Plot points on coordinate planes accurately
Understand position representation using coordinates
Apply coordinate concepts to practical situations
Q/A on coordinate identification using grid references
Discussions on map reading and location finding
Solving coordinate plotting problems using systematic methods
Demonstrations using classroom grid systems and floor patterns
Explaining coordinate applications using local maps and directions
Chalk and blackboard, squared paper or grid drawn on ground, exercise books
KLB Mathematics Book Three Pg 221-222
10 2
Vectors (II)
Coordinates in three dimensions
By the end of the lesson, the learner should be able to:
Identify the coordinates of a point in three dimensions
Understand the three-dimensional coordinate system
Plot points in 3D space systematically
Apply 3D coordinates to spatial problems
Q/A on 3D coordinate understanding using room corner references
Discussions on height, length, and width measurements
Solving 3D coordinate problems using systematic approaches
Demonstrations using classroom corners and building structures
Explaining 3D visualization using physical room examples
Chalk and blackboard, 3D models made from sticks and clay, exercise books
KLB Mathematics Book Three Pg 222
10 3
Vectors (II)
Column and position vectors in three dimensions
By the end of the lesson, the learner should be able to:
Find a displacement and represent it in column vector
Calculate the position vector
Express vectors in column form
Apply column vector notation systematically
Q/A on displacement representation using movement examples
Discussions on vector notation using organized column format
Solving column vector problems using systematic methods
Demonstrations using physical movement and direction examples
Explaining vector components using practical displacement
Chalk and blackboard, movement demonstration space, exercise books
KLB Mathematics Book Three Pg 223-224
10 4
Vectors (II)
Position vectors and applications
By the end of the lesson, the learner should be able to:
Calculate the position vector
Apply position vectors to geometric problems
Find distances using position vector methods
Solve positioning problems systematically
Q/A on position vector calculation using origin references
Discussions on position determination using coordinate methods
Solving position vector problems using systematic calculation
Demonstrations using fixed origin and variable endpoints
Explaining position concepts using practical location examples
Chalk and blackboard, origin marking systems, exercise books
KLB Mathematics Book Three Pg 224
10 5
Vectors (II)
Column vectors in terms of unit vectors i, j, k
By the end of the lesson, the learner should be able to:
Express vectors in terms of unit vectors
Convert between column and unit vector notation
Understand the standard basis vector system
Apply unit vector representation systematically
Q/A on unit vector concepts using direction examples
Discussions on component representation using organized methods
Solving unit vector problems using systematic conversion
Demonstrations using perpendicular direction examples
Explaining basis vector concepts using coordinate axes
Chalk and blackboard, direction indicators, unit vector reference charts, exercise books
KLB Mathematics Book Three Pg 226-228
10 6
Vectors (II)
Vector operations using unit vectors
By the end of the lesson, the learner should be able to:
Express vectors in terms of unit vectors
Perform vector addition using unit vector notation
Calculate vector subtraction with i, j, k components
Apply scalar multiplication to unit vectors
Q/A on vector operations using component-wise calculation
Discussions on systematic operation methods
Solving vector operation problems using organized approaches
Demonstrations using component separation and combination
Explaining operation logic using algebraic reasoning
Chalk and blackboard, component calculation aids, exercise books
KLB Mathematics Book Three Pg 226-228
10 7
Vectors (II)
Magnitude of a vector in three dimensions
By the end of the lesson, the learner should be able to:
Calculate the magnitude of a vector in three dimensions
Apply the 3D magnitude formula systematically
Find vector lengths in spatial contexts
Solve magnitude problems accurately
Q/A on 3D magnitude using extended Pythagorean methods
Discussions on spatial distance calculation using 3D techniques
Solving 3D magnitude problems using systematic calculation
Demonstrations using 3D distance examples
Explaining 3D magnitude using practical spatial examples
Chalk and blackboard, 3D measurement aids, exercise books
KLB Mathematics Book Three Pg 229-230
11 1
Vectors (II)
Magnitude applications and unit vectors
By the end of the lesson, the learner should be able to:
Calculate the magnitude of a vector in three dimensions
Find unit vectors from given vectors
Apply magnitude concepts to practical problems
Use magnitude in vector normalization
Q/A on magnitude and unit vector relationships
Discussions on normalization and direction finding
Solving magnitude and unit vector problems
Demonstrations using direction and length separation
Explaining practical applications using navigation examples
Chalk and blackboard, direction finding aids, exercise books
KLB Mathematics Book Three Pg 229-230
11 2
Vectors (II)
Parallel vectors
By the end of the lesson, the learner should be able to:
Identify parallel vectors
Determine when vectors are parallel
Apply parallel vector properties
Use scalar multiples in parallel relationships
Q/A on parallel identification using scalar multiple methods
Discussions on parallel relationships using geometric examples
Solving parallel vector problems using systematic testing
Demonstrations using parallel line and direction examples
Explaining parallel concepts using geometric reasoning
Chalk and blackboard, parallel line demonstrations, exercise books
KLB Mathematics Book Three Pg 231-232
11 3
Vectors (II)
Collinearity
Advanced collinearity applications
By the end of the lesson, the learner should be able to:
Show that points are collinear
Apply vector methods to prove collinearity
Test for collinear points using vector techniques
Solve collinearity problems systematically
Q/A on collinearity testing using vector proportion methods
Discussions on point alignment using vector analysis
Solving collinearity problems using systematic verification
Demonstrations using straight-line point examples
Explaining collinearity using geometric alignment concepts
Chalk and blackboard, straight-line demonstrations, exercise books
Chalk and blackboard, complex geometric aids, exercise books
KLB Mathematics Book Three Pg 232-234
11 4
Vectors (II)
Proportional division of a line
By the end of the lesson, the learner should be able to:
Divide a line internally in the given ratio
Apply the internal division formula
Calculate division points using vector methods
Understand proportional division concepts
Q/A on internal division using systematic formula application
Discussions on ratio division using proportional methods
Solving internal division problems using organized approaches
Demonstrations using internal point construction examples
Explaining internal division using geometric visualization
Chalk and blackboard, internal division models, exercise books
KLB Mathematics Book Three Pg 237-238
11 5
Vectors (II)
External division of a line
By the end of the lesson, the learner should be able to:
Divide a line externally in the given ratio
Apply the external division formula
Distinguish between internal and external division
Solve external division problems accurately
Q/A on external division using systematic formula application
Discussions on external point calculation using vector methods
Solving external division problems using careful approaches
Demonstrations using external point construction examples
Explaining external division using extended line concepts
Chalk and blackboard, external division models, exercise books
KLB Mathematics Book Three Pg 238-239
11 6
Vectors (II)
Combined internal and external division
By the end of the lesson, the learner should be able to:
Divide a line internally and externally in the given ratio
Apply both division formulas systematically
Compare internal and external division results
Handle mixed division problems
Q/A on combined division using comparative methods
Discussions on division type selection using problem analysis
Solving combined division problems using systematic approaches
Demonstrations using both division types
Explaining division relationships using geometric reasoning
Chalk and blackboard, combined division models, exercise books
KLB Mathematics Book Three Pg 239
11 7
Vectors (II)
Ratio theorem
By the end of the lesson, the learner should be able to:
Express position vectors
Apply the ratio theorem to geometric problems
Use ratio theorem in complex calculations
Find position vectors using ratio relationships
Q/A on ratio theorem application using systematic methods
Discussions on position vector calculation using ratio methods
Solving ratio theorem problems using organized approaches
Demonstrations using ratio-based position finding
Explaining theorem applications using logical reasoning
Chalk and blackboard, ratio theorem aids, exercise books
KLB Mathematics Book Three Pg 240-242
12 1
Vectors (II)
Advanced ratio theorem applications
By the end of the lesson, the learner should be able to:
Find the position vector
Apply ratio theorem to complex scenarios
Solve multi-step ratio problems
Use ratio theorem in geometric proofs
Q/A on advanced ratio applications using complex problems
Discussions on multi-step ratio calculation
Solving challenging ratio problems using systematic methods
Demonstrations using comprehensive ratio examples
Explaining advanced applications using detailed reasoning
Chalk and blackboard, advanced ratio models, exercise books
KLB Mathematics Book Three Pg 242
12 2
Vectors (II)
Mid-point
By the end of the lesson, the learner should be able to:
Find the mid-points of the given vectors
Apply midpoint formulas in vector contexts
Use midpoint concepts in geometric problems
Calculate midpoints systematically
Q/A on midpoint calculation using vector averaging methods
Discussions on midpoint applications using geometric examples
Solving midpoint problems using systematic approaches
Demonstrations using midpoint construction and calculation
Explaining midpoint concepts using practical examples
Chalk and blackboard, midpoint demonstration aids, exercise books
KLB Mathematics Book Three Pg 243
12 3
Vectors (II)
Ratio theorem and midpoint integration
By the end of the lesson, the learner should be able to:
Use ratio theorem to find the given vectors
Apply midpoint and ratio concepts together
Solve complex ratio and midpoint problems
Integrate division and midpoint methods
Q/A on integrated problem-solving using combined methods
Discussions on complex scenario analysis using systematic approaches
Solving challenging problems using integrated techniques
Demonstrations using comprehensive geometric examples
Explaining integration using logical problem-solving
Chalk and blackboard, complex problem materials, exercise books
KLB Mathematics Book Three Pg 244-245
12 4
Vectors (II)
Advanced ratio theorem applications
By the end of the lesson, the learner should be able to:
Use ratio theorem to find the given vectors
Apply ratio theorem to challenging problems
Handle complex geometric applications
Demonstrate comprehensive ratio mastery
Q/A on comprehensive ratio understanding using advanced problems
Discussions on complex ratio relationships
Solving advanced ratio problems using systematic methods
Demonstrations using sophisticated geometric constructions
Explaining mastery using challenging applications
Chalk and blackboard, advanced geometric aids, exercise books
KLB Mathematics Book Three Pg 246-248
12 5
Vectors (II)
Applications of vectors in geometry
By the end of the lesson, the learner should be able to:
Use vectors to show the diagonals of a parallelogram
Apply vector methods to geometric proofs
Demonstrate parallelogram properties using vectors
Solve geometric problems using vector techniques
Q/A on geometric proof using vector methods
Discussions on parallelogram properties using vector analysis
Solving geometric problems using systematic vector techniques
Demonstrations using vector-based geometric constructions
Explaining geometric relationships using vector reasoning
Chalk and blackboard, parallelogram models, exercise books
KLB Mathematics Book Three Pg 248-249
12 6
Vectors (II)
Rectangle diagonal applications
By the end of the lesson, the learner should be able to:
Use vectors to show the diagonals of a rectangle
Apply vector methods to rectangle properties
Prove rectangle theorems using vectors
Compare parallelogram and rectangle diagonal properties
Q/A on rectangle properties using vector analysis
Discussions on diagonal relationships using vector methods
Solving rectangle problems using systematic approaches
Demonstrations using rectangle constructions and vector proofs
Explaining rectangle properties using vector reasoning
Chalk and blackboard, rectangle models, exercise books
KLB Mathematics Book Three Pg 248-250
12 7
Vectors (II)
Advanced geometric applications
By the end of the lesson, the learner should be able to:
Use vectors to show geometric properties
Apply vectors to complex geometric proofs
Solve challenging geometric problems using vectors
Integrate all vector concepts in geometric contexts
Q/A on comprehensive geometric applications using vector methods
Discussions on advanced proof techniques using vectors
Solving complex geometric problems using integrated approaches
Demonstrations using sophisticated geometric constructions
Explaining advanced applications using comprehensive reasoning
Chalk and blackboard, advanced geometric models, exercise books
KLB Mathematics Book Three Pg 248-250

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