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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
2 1
Approximations and Errors
Computing using calculators
By the end of the lesson, the learner should be able to:
Solve basic operations using calculators
Use calculator functions effectively
Apply calculator to mathematical computations
Q/A on calculator familiarity
Discussions on calculator operations
Solving basic arithmetic problems
Demonstrations of calculator functions
Explaining proper calculator usage
Calculators, operation guides
KLB Mathematics Book Three Pg 24-26
2 2
Approximations and Errors
Computing using calculators
By the end of the lesson, the learner should be able to:
Solve basic operations using calculators
Perform complex calculations accurately
Verify calculator results
Q/A on calculator accuracy
Discussions on verification methods
Solving complex computational problems
Demonstrations of result checking
Explaining calculation verification
Calculators, verification worksheets
KLB Mathematics Book Three Pg 26-28
2 3
Approximations and Errors
Approximation
By the end of the lesson, the learner should be able to:
Approximate values by rounding off
Round numbers to specified decimal places
Apply rounding rules correctly
Q/A on rounding concepts
Discussions on rounding techniques
Solving rounding problems
Demonstrations of rounding methods
Explaining rounding rules and applications
Calculators, rounding charts
KLB Mathematics Book Three Pg 29-30
2 4
Approximations and Errors
Estimation
By the end of the lesson, the learner should be able to:
Approximate values by truncation
Estimate values using appropriate methods
Compare estimation techniques
Q/A on estimation strategies
Discussions on truncation vs rounding
Solving estimation problems
Demonstrations of truncation methods
Explaining when to use different techniques
Calculators, estimation guides
KLB Mathematics Book Three Pg 30
2 5
Approximations and Errors
Accuracy and errors
By the end of the lesson, the learner should be able to:
Find the absolute error
Calculate relative error
Distinguish between different error types
Q/A on error concepts
Discussions on error calculations
Solving absolute and relative error problems
Demonstrations of error computation
Explaining error significance
Calculators, error calculation sheets
KLB Mathematics Book Three Pg 31-32
2 6
Approximations and Errors
Percentage error
By the end of the lesson, the learner should be able to:
Find the percentage error of a given value
Calculate percentage error accurately
Interpret percentage error results
Q/A on percentage concepts
Discussions on percentage error meaning
Solving percentage error problems
Demonstrations of percentage calculations
Explaining error interpretation
Calculators, percentage error worksheets
KLB Mathematics Book Three Pg 32-34
2 7
Approximations and Errors
Rounding off error and truncation error
By the end of the lesson, the learner should be able to:
Find the rounding off error
Calculate truncation error
Compare rounding and truncation errors
Q/A on error types
Discussions on error sources
Solving rounding and truncation error problems
Demonstrations of error comparison
Explaining error analysis
Calculators, error comparison charts
KLB Mathematics Book Three Pg 34
3 1
Approximations and Errors
Propagation of errors
By the end of the lesson, the learner should be able to:
Find the propagation of errors in addition and subtraction
Calculate combined errors
Apply error propagation rules
Q/A on error propagation concepts
Discussions on addition/subtraction errors
Solving error propagation problems
Demonstrations of error combination
Explaining propagation principles
Calculators, error propagation guides
KLB Mathematics Book Three Pg 35-36
3 2
Approximations and Errors
Propagation of errors
By the end of the lesson, the learner should be able to:
Find the propagation of errors in addition and subtraction
Apply error propagation to complex problems
Verify error calculations
Q/A on propagation mastery
Discussions on complex error scenarios
Solving advanced propagation problems
Demonstrations of verification methods
Explaining error validation
Calculators, verification worksheets
KLB Mathematics Book Three Pg 35-36
3 3
Approximations and Errors
Propagation of errors in multiplication
By the end of the lesson, the learner should be able to:
Find the propagation of errors in multiplication
Calculate relative errors in products
Apply multiplication error rules
Q/A on multiplication error concepts
Discussions on product error calculation
Solving multiplication error problems
Demonstrations of relative error computation
Explaining multiplication error principles
Calculators, multiplication error guides
KLB Mathematics Book Three Pg 36-37
3 4
Approximations and Errors
Propagation of errors in multiplication
By the end of the lesson, the learner should be able to:
Find the propagation of errors in multiplication
Solve complex multiplication error problems
Compare different error propagation methods
Q/A on advanced multiplication errors
Discussions on complex error scenarios
Solving challenging multiplication problems
Demonstrations of method comparison
Explaining optimal error calculation
Calculators, method comparison charts
KLB Mathematics Book Three Pg 36-37
3 5
Approximations and Errors
Propagation of errors in division
By the end of the lesson, the learner should be able to:
Find the propagation of errors in division
Calculate errors in quotients
Apply division error rules
Q/A on division error concepts
Discussions on quotient error calculation
Solving division error problems
Demonstrations of division error methods
Explaining division error principles
Calculators, division error worksheets
KLB Mathematics Book Three Pg 37-38
3 6
Approximations and Errors
Propagation of errors in division
By the end of the lesson, the learner should be able to:
Find the propagation of errors in division
Solve complex division error problems
Verify division error calculations
Q/A on division error mastery
Discussions on complex division scenarios
Solving advanced division error problems
Demonstrations of error verification
Explaining accuracy in division errors
Calculators, verification guides
KLB Mathematics Book Three Pg 37-38
3 7
Approximations and Errors
Word problems
By the end of the lesson, the learner should be able to:
Find the propagation of errors of a word problem
Apply error analysis to real-world situations
Solve comprehensive error problems
Q/A on chapter consolidation
Discussions on real-world applications
Solving comprehensive word problems
Demonstrations of problem-solving strategies
Explaining practical error analysis
Calculators, word problem sets, comprehensive review sheets
KLB Mathematics Book Three Pg 39-40
4 1
Trigonometry (II)
The unit circle
By the end of the lesson, the learner should be able to:
Draw the unit circle
Identify coordinates on the unit circle
Understand the unit circle concept
Q/A on basic circle properties
Discussions on unit circle construction
Solving problems using unit circle
Demonstrations of circle drawing
Explaining unit circle applications
Calculators, protractors, rulers, pair of compasses
KLB Mathematics Book Three Pg 41-42
4 2
Trigonometry (II)
The unit circle
By the end of the lesson, the learner should be able to:
Solve problems using the unit circle
Apply unit circle to find trigonometric values
Use unit circle for angle measurement
Q/A on unit circle mastery
Discussions on practical applications
Solving trigonometric problems
Demonstrations of value finding
Explaining angle relationships
Calculators, protractors, rulers, pair of compasses
KLB Mathematics Book Three Pg 43-44
4 3
Trigonometry (II)
Trigonometric ratios of angles greater than 90°
By the end of the lesson, the learner should be able to:
Find the trigonometric values of angles
Calculate trigonometric ratios for obtuse angles
Apply reference angle concepts
Q/A on basic trigonometric ratios
Discussions on angle extensions
Solving obtuse angle problems
Demonstrations of reference angles
Explaining quadrant relationships
Calculators, protractors, rulers, pair of compasses
KLB Mathematics Book Three Pg 44-45
4 4
Trigonometry (II)
Trigonometric ratios of angles greater than 90°
By the end of the lesson, the learner should be able to:
Find the trigonometric values of angles
Solve problems with angles in different quadrants
Apply ASTC rule for sign determination
Q/A on quadrant properties
Discussions on sign conventions
Solving multi-quadrant problems
Demonstrations of ASTC rule
Explaining trigonometric signs
Calculators, quadrant charts
KLB Mathematics Book Three Pg 46-47
4 5
Trigonometry (II)
Trigonometric ratios of negative angles
By the end of the lesson, the learner should be able to:
Find the trigonometric values of negative angles
Apply negative angle identities
Solve problems involving negative angles
Q/A on negative angle concepts
Discussions on angle direction
Solving negative angle problems
Demonstrations of identity applications
Explaining clockwise rotations
Geoboards, graph books, calculators
KLB Mathematics Book Three Pg 48-49
4 6
Trigonometry (II)
Trigonometric ratios of angles greater than 360°
By the end of the lesson, the learner should be able to:
Find the trigonometric values of angles greater than 360°
Apply coterminal angle concepts
Reduce angles to standard position
Q/A on angle reduction concepts
Discussions on coterminal angles
Solving extended angle problems
Demonstrations of angle reduction
Explaining periodic properties
Geoboards, graph books, calculators
KLB Mathematics Book Three Pg 49-51
4 7
Trigonometry (II)
Use of mathematical tables
By the end of the lesson, the learner should be able to:
Use mathematical tables to find sine and cosine
Read trigonometric tables accurately
Apply table interpolation methods
Q/A on table reading skills
Discussions on table structure
Solving problems using tables
Demonstrations of interpolation
Explaining table accuracy
Mathematical tables, calculators
KLB Mathematics Book Three Pg 51-55
5 1
Trigonometry (II)
Use of calculators
By the end of the lesson, the learner should be able to:
Use calculators to find sine, cosine and tan
Apply calculator functions for trigonometry
Verify calculator accuracy
Q/A on calculator trigonometric functions
Discussions on calculator modes
Solving problems using calculators
Demonstrations of function keys
Explaining degree vs radian modes
Calculators, function guides
KLB Mathematics Book Three Pg 56-58
5 2
Trigonometry (II)
Radian measure
By the end of the lesson, the learner should be able to:
Convert degrees to radians and vice versa
Apply radian measure in calculations
Understand radian-degree relationships
Q/A on angle measurement systems
Discussions on radian concepts
Solving conversion problems
Demonstrations of conversion methods
Explaining radian applications
Calculators, conversion charts
KLB Mathematics Book Three Pg 58-61
5 3
Trigonometry (II)
Simple trigonometric graphs
By the end of the lesson, the learner should be able to:
Draw tables for sine of values
Plot graphs of sine functions
Identify sine graph properties
Q/A on coordinate graphing
Discussions on periodic functions
Solving graphing problems
Demonstrations of sine plotting
Explaining graph characteristics
Calculators, graph papers, plotting guides
KLB Mathematics Book Three Pg 62-63
5 4
Trigonometry (II)
Graphs of cosines
By the end of the lesson, the learner should be able to:
Draw tables for cosine of values
Plot graphs of cosine functions
Compare sine and cosine graphs
Q/A on cosine properties
Discussions on graph relationships
Solving cosine graphing problems
Demonstrations of cosine plotting
Explaining phase relationships
Calculators, graph papers, plotting guides
KLB Mathematics Book Three Pg 63-64
5 5
Trigonometry (II)
Graphs of tan
By the end of the lesson, the learner should be able to:
Draw tables for tan of values
Plot graphs of tan functions
Identify asymptotes and discontinuities
Q/A on tangent behavior
Discussions on function domains
Solving tangent graphing problems
Demonstrations of asymptote identification
Explaining discontinuous functions
Calculators, graph papers, plotting guides
KLB Mathematics Book Three Pg 64-65
5 6
Trigonometry (II)
The sine rule
By the end of the lesson, the learner should be able to:
State the sine rule
Apply sine rule to find solution of triangles
Solve triangles using sine rule
Q/A on triangle properties
Discussions on sine rule applications
Solving triangle problems
Demonstrations of rule application
Explaining ambiguous case
Calculators, triangle worksheets
KLB Mathematics Book Three Pg 65-70
5 7
Trigonometry (II)
Cosine rule
By the end of the lesson, the learner should be able to:
State the cosine rule
Apply cosine rule to find solution of triangles
Choose appropriate rule for triangle solving
Q/A on cosine rule concepts
Discussions on rule selection
Solving complex triangle problems
Demonstrations of cosine rule
Explaining when to use each rule
Calculators, triangle worksheets
KLB Mathematics Book Three Pg 71-75
6 1
Trigonometry (II)
Problem solving
By the end of the lesson, the learner should be able to:
Solve problems on cosines, sines and tan
Apply trigonometry to real-world situations
Integrate all trigonometric concepts
Q/A on chapter consolidation
Discussions on practical applications
Solving comprehensive problems
Demonstrations of problem-solving strategies
Explaining real-world trigonometry
Calculators, comprehensive problem sets, real-world examples
KLB Mathematics Book Three Pg 76-77
6 2
Matrices
Introduction and real-life applications
Order of a matrix and elements
By the end of the lesson, the learner should be able to:
Define matrices and identify matrix applications
Recognize matrices in everyday contexts
Understand tabular data representation
Appreciate the importance of matrices
Q/A on tabular data in daily life
Discussions on school exam results tables
Analyzing bus timetables and price lists
Demonstrations using newspaper sports tables
Explaining matrix notation using grid patterns
Old newspapers with league tables, chalk and blackboard, exercise books
Chalk and blackboard, ruled exercise books, class register
KLB Mathematics Book Three Pg 168-169
6 3
Matrices
Square matrices, row and column matrices
Addition of matrices
By the end of the lesson, the learner should be able to:
Classify matrices by their dimensions
Identify square, row, and column matrices
Understand zero and null matrices
Apply matrix equality conditions
Q/A on matrix classification using drawn examples
Discussions on special matrix types using patterns
Solving matrix identification using cutout papers
Demonstrations using classroom objects arrangement
Explaining matrix comparison using simple examples
Paper cutouts, chalk and blackboard, counters or bottle tops
Counters or stones, chalk and blackboard, exercise books
KLB Mathematics Book Three Pg 169-170
6 4
Matrices
Subtraction of matrices
Combined addition and subtraction
By the end of the lesson, the learner should be able to:
Subtract matrices of the same order
Apply matrix subtraction rules correctly
Understand order requirements for subtraction
Solve complex matrix subtraction problems
Q/A on matrix subtraction using simple numbers
Discussions on element-wise subtraction using examples
Solving subtraction problems on blackboard
Demonstrations using number line concepts
Explaining sign changes using practical examples
Chalk and blackboard, exercise books, number cards made from cardboard
Chalk and blackboard, exercise books, locally made operation cards
KLB Mathematics Book Three Pg 170-171
6 5
Matrices
Scalar multiplication
Introduction to matrix multiplication
By the end of the lesson, the learner should be able to:
Multiply matrices by scalar quantities
Apply scalar multiplication rules
Understand the effect of scalar multiplication
Solve scalar multiplication problems
Q/A on scalar multiplication using times tables
Discussions on scaling using multiplication concepts
Solving scalar problems using repeated addition
Demonstrations using groups of objects
Explaining scalar effects using enlargement concepts
Beans or stones for grouping, chalk and blackboard, exercise books
Chalk and blackboard, rulers for tracing, exercise books
KLB Mathematics Book Three Pg 174-175
6 6
Matrices
Matrix multiplication (2×2 matrices)
By the end of the lesson, the learner should be able to:
Multiply 2×2 matrices systematically
Apply correct multiplication procedures
Calculate matrix products accurately
Understand result matrix dimensions
Q/A on 2×2 matrix multiplication using simple numbers
Discussions on systematic calculation methods
Solving 2×2 problems using step-by-step approach
Demonstrations using organized blackboard layout
Explaining product formation using grid method
Chalk and blackboard, exercise books, homemade grid templates
KLB Mathematics Book Three Pg 176-179
6 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
7 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
7 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
7 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
7 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
7 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
7 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
7 7
Matrices
Introduction to solving simultaneous equations
Solving 2×2 simultaneous equations using matrices
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
Chalk and blackboard, exercise books, previous elimination method examples
KLB Mathematics Book Three Pg 188-189
8 1
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
8 2
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
8 3
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
8 4
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
8 5
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
8 6
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
8 7
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
9

Mid term break

10 1
Formulae and Variations
Subject of a formula - advanced cases
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
KLB Mathematics Book Three Pg 191-193
10 2
Formulae and Variations
Applications of formula manipulation
By the end of the lesson, the learner should be able to:
Apply formula rearrangement to practical problems
Solve real-world problems using formula manipulation
Calculate unknown quantities in various contexts
Interpret results in meaningful situations
Q/A on practical applications using local examples
Discussions on real-world formula use in farming/building
Solving application problems using formula rearrangement
Demonstrations using construction and farming scenarios
Explaining practical interpretation using community examples
Chalk and blackboard, local measurement tools, exercise books
KLB Mathematics Book Three Pg 191-193
10 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
10 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
10 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
10 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
10 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
11 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
11 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
11 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
11 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
11 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
11 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
11 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
12

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