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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
Quadratic Expressions and Equations
Factorisation of quadratic expressions
By the end of the lesson, the learner should be able to:
Factorize quadratic expressions
Write the perfect squares
Apply factorization methods to solve problems
Q/A on revision of linear expressions
Discussions on quadratic expression patterns
Solving problems using factorization
Demonstrations on factorization techniques
Explaining step-by-step methods
Calculators, charts showing factorization patterns
KLB Mathematics Book Three Pg 1
2 2
Quadratic Expressions and Equations
Factorisation of quadratic expressions
By the end of the lesson, the learner should be able to:
Factorize quadratic expressions using different methods
Identify common factors in expressions
Apply grouping method to factorize
Q/A on previous lesson concepts
Discussions on advanced factorization
Solving complex factorization problems
Demonstrations of grouping methods
Explaining various factorization techniques
Calculators, factorization method charts
KLB Mathematics Book Three Pg 1-2
2 3
Quadratic Expressions and Equations
Completing squares
By the end of the lesson, the learner should be able to:
Complete the square for quadratic expressions
Write expressions in perfect square form
Identify missing terms in completing squares
Q/A on perfect square patterns
Discussions on completing square concept
Solving problems by completing squares
Demonstrations of completing square method
Explaining systematic approach
Calculators, perfect square charts
KLB Mathematics Book Three Pg 1-2
2 4
Quadratic Expressions and Equations
Completing squares
Solving quadratic expressions by completing square
By the end of the lesson, the learner should be able to:
Factorize quadratic expression by completing square method
Apply completing square to complex expressions
Transform expressions to vertex form
Q/A on completing square basics
Discussions on advanced applications
Solving complex expressions
Demonstrations of vertex form transformation
Explaining complete methodology
Calculators, vertex form examples
Calculators, equation solving guides
KLB Mathematics Book Three Pg 3-4
2 5-6
Quadratic Expressions and Equations
Solving quadratic expressions by factorization
The quadratic formula
By the end of the lesson, the learner should be able to:
Solve quadratic expressions by factorization
Apply zero product property
Choose appropriate factorization method
Solve quadratic expressions using the quadratic formula
Apply quadratic formula to any quadratic equation
Derive the quadratic formula
Q/A on factorization techniques
Discussions on solving strategies
Solving equations using factorization
Demonstrations of zero product rule
Explaining method selection
Q/A on formula derivation steps
Discussions on formula applications
Solving equations using formula
Demonstrations of derivation process
Explaining formula structure
Calculators, method selection charts
Calculators, formula derivation charts
KLB Mathematics Book Three Pg 7
KLB Mathematics Book Three Pg 7-9
2 7
Quadratic Expressions and Equations
The quadratic formula
By the end of the lesson, the learner should be able to:
Solve quadratic expressions using the quadratic formula
Apply formula to complex coefficients
Interpret discriminant values
Q/A on formula mastery
Discussions on discriminant meaning
Solving complex equations
Demonstrations of discriminant analysis
Explaining nature of roots
Calculators, discriminant interpretation guides
KLB Mathematics Book Three Pg 7-9
3 1
Quadratic Expressions and Equations
Formation of quadratic equations
By the end of the lesson, the learner should be able to:
Form a quadratic equation from word problem
Create equations from given roots
Apply sum and product of roots
Q/A on roots and coefficients relationship
Discussions on equation formation
Solving word problems leading to equations
Demonstrations of equation creation
Explaining formation processes
Calculators, word problem templates
KLB Mathematics Book Three Pg 9-10
3 2
Quadratic Expressions and Equations
Graphs of quadratic functions
By the end of the lesson, the learner should be able to:
Draw a table of the quadratic functions
Plot coordinates accurately
Construct systematic value tables
Q/A on coordinate geometry basics
Discussions on table construction
Solving plotting problems
Demonstrations of systematic plotting
Explaining table creation methods
Graph papers, calculators, plotting guides
KLB Mathematics Book Three Pg 12-15
3 3
Quadratic Expressions and Equations
Graphs of quadratic functions
By the end of the lesson, the learner should be able to:
Draw a table of the quadratic functions
Plot coordinates accurately
Construct systematic value tables
Q/A on coordinate geometry basics
Discussions on table construction
Solving plotting problems
Demonstrations of systematic plotting
Explaining table creation methods
Graph papers, calculators, plotting guides
KLB Mathematics Book Three Pg 12-15
3 4
Quadratic Expressions and Equations
Graphs of quadratic functions
By the end of the lesson, the learner should be able to:
Draw graphs of quadratic functions
Identify vertex and axis of symmetry
Find intercepts from graphs
Q/A on graph plotting techniques
Discussions on graph features
Solving graphing problems
Demonstrations of feature identification
Explaining graph properties
Graph papers, calculators, rulers
KLB Mathematics Book Three Pg 12-15
3 5-6
Quadratic Expressions and Equations
Graphs of quadratic functions
Graphical solutions of quadratic equation
By the end of the lesson, the learner should be able to:
Draw graphs of quadratic functions
Identify vertex and axis of symmetry
Find intercepts from graphs
Draw graphs of quadratic functions
Solve quadratic equations using the graphs
Find roots as x-intercepts
Q/A on graph plotting techniques
Discussions on graph features
Solving graphing problems
Demonstrations of feature identification
Explaining graph properties
Q/A on graph-equation relationships
Discussions on graphical solutions
Solving equations graphically
Demonstrations of root finding
Explaining intersection concepts
Graph papers, calculators, rulers
KLB Mathematics Book Three Pg 12-15
KLB Mathematics Book Three Pg 15-17
3 7
Quadratic Expressions and Equations
Graphical solutions of quadratic equation
By the end of the lesson, the learner should be able to:
Solve quadratic equations using the graphs
Verify algebraic solutions graphically
Estimate solutions from graphs
Q/A on solution verification
Discussions on estimation techniques
Solving complex graphical problems
Demonstrations of verification methods
Explaining accuracy in estimation
Graph papers, calculators, estimation guides
KLB Mathematics Book Three Pg 17-19
4 1
Quadratic Expressions and Equations
Graphical solutions of simultaneous equations
By the end of the lesson, the learner should be able to:
Draw tables for simultaneous equations
Find the graphical solutions of simultaneous equations
Solve systems involving quadratic and linear equations
Q/A on simultaneous equation concepts
Discussions on intersection analysis
Solving systems of equations
Demonstrations of intersection finding
Explaining solution interpretation
Graph papers, calculators, intersection analysis guides
KLB Mathematics Book Three Pg 19-21
4 2
Quadratic Expressions and Equations
Graphical solutions of simultaneous equations
By the end of the lesson, the learner should be able to:
Draw tables for simultaneous equations
Find the graphical solutions of simultaneous equations
Solve systems involving quadratic and linear equations
Q/A on simultaneous equation concepts
Discussions on intersection analysis
Solving systems of equations
Demonstrations of intersection finding
Explaining solution interpretation
Graph papers, calculators, intersection analysis guides
KLB Mathematics Book Three Pg 19-21
4 3
Quadratic Expressions and Equations
Graphical solutions of simultaneous equations
By the end of the lesson, the learner should be able to:
Draw tables for simultaneous equations
Find the graphical solutions of simultaneous equations
Solve systems involving quadratic and linear equations
Q/A on simultaneous equation concepts
Discussions on intersection analysis
Solving systems of equations
Demonstrations of intersection finding
Explaining solution interpretation
Graph papers, calculators, intersection analysis guides
KLB Mathematics Book Three Pg 19-21
4 4
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
4 5-6
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
Solve basic operations using calculators
Perform complex calculations accurately
Verify calculator results
Q/A on calculator familiarity
Discussions on calculator operations
Solving basic arithmetic problems
Demonstrations of calculator functions
Explaining proper calculator usage
Q/A on calculator accuracy
Discussions on verification methods
Solving complex computational problems
Demonstrations of result checking
Explaining calculation verification
Calculators, operation guides
Calculators, verification worksheets
KLB Mathematics Book Three Pg 24-26
KLB Mathematics Book Three Pg 26-28
4 7
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
5 1
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
5 2
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
5 3
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
5 4
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
5 5-6
Approximations and Errors
Accuracy and errors
Percentage error
By the end of the lesson, the learner should be able to:
Find the absolute error
Calculate relative error
Distinguish between different error types
Find the percentage error of a given value
Calculate percentage error accurately
Interpret percentage error results
Q/A on error concepts
Discussions on error calculations
Solving absolute and relative error problems
Demonstrations of error computation
Explaining error significance
Q/A on percentage concepts
Discussions on percentage error meaning
Solving percentage error problems
Demonstrations of percentage calculations
Explaining error interpretation
Calculators, error calculation sheets
Calculators, percentage error worksheets
KLB Mathematics Book Three Pg 31-32
KLB Mathematics Book Three Pg 32-34
5 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
6 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
6 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
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
6 3
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
6 4
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
6 5-6
Approximations and Errors
Propagation of errors
Propagation of errors in multiplication
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
Find the propagation of errors in multiplication
Calculate relative errors in products
Apply multiplication error rules
Q/A on propagation mastery
Discussions on complex error scenarios
Solving advanced propagation problems
Demonstrations of verification methods
Explaining error validation
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, verification worksheets
Calculators, multiplication error guides
KLB Mathematics Book Three Pg 35-36
KLB Mathematics Book Three Pg 36-37
6 7
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
7 1
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
7 2
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
7 3
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
7 4
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
7 5-6
Approximations and Errors
Propagation of errors in division
Word problems
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
Find the propagation of errors of a word problem
Apply error analysis to real-world situations
Solve comprehensive error problems
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
Q/A on chapter consolidation
Discussions on real-world applications
Solving comprehensive word problems
Demonstrations of problem-solving strategies
Explaining practical error analysis
Calculators, verification guides
Calculators, word problem sets, comprehensive review sheets
KLB Mathematics Book Three Pg 37-38
KLB Mathematics Book Three Pg 39-40
7 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
8 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
8 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
8 3
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
8 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
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
8 5-6
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
Find the trigonometric values of angles
Solve problems with angles in different quadrants
Apply ASTC rule for sign determination
Q/A on basic trigonometric ratios
Discussions on angle extensions
Solving obtuse angle problems
Demonstrations of reference angles
Explaining quadrant relationships
Q/A on quadrant properties
Discussions on sign conventions
Solving multi-quadrant problems
Demonstrations of ASTC rule
Explaining trigonometric signs
Calculators, protractors, rulers, pair of compasses
Calculators, quadrant charts
KLB Mathematics Book Three Pg 44-45
KLB Mathematics Book Three Pg 46-47
9

Midterm break

10 1
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
10 2
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
10 3
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
10 4
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
10 5-6
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
Use mathematical tables to find tan
Apply tables for all trigonometric functions
Compare table and calculator results
Q/A on table reading skills
Discussions on table structure
Solving problems using tables
Demonstrations of interpolation
Explaining table accuracy
Q/A on tangent table usage
Discussions on function relationships
Solving comprehensive table problems
Demonstrations of result verification
Explaining table limitations
Mathematical tables, calculators
KLB Mathematics Book Three Pg 51-55
KLB Mathematics Book Three Pg 55-56
10 7
Trigonometry (II)
Use of mathematical tables
By the end of the lesson, the learner should be able to:
Use mathematical tables to find tan
Apply tables for all trigonometric functions
Compare table and calculator results
Q/A on tangent table usage
Discussions on function relationships
Solving comprehensive table problems
Demonstrations of result verification
Explaining table limitations
Mathematical tables, calculators
KLB Mathematics Book Three Pg 55-56
11 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
11 2
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
11 3
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
11 4
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
11 5-6
Trigonometry (II)
Simple trigonometric graphs
Graphs of cosines
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
Draw tables for cosine of values
Plot graphs of cosine functions
Compare sine and cosine graphs
Q/A on coordinate graphing
Discussions on periodic functions
Solving graphing problems
Demonstrations of sine plotting
Explaining graph characteristics
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 62-63
KLB Mathematics Book Three Pg 63-64
11 7
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
12 1
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
12 2
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
12 3
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
12 4
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
12 5-6
Trigonometry (II)
Cosine rule
Problem solving
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
Solve problems on cosines, sines and tan
Apply trigonometry to real-world situations
Integrate all trigonometric concepts
Q/A on cosine rule concepts
Discussions on rule selection
Solving complex triangle problems
Demonstrations of cosine rule
Explaining when to use each rule
Q/A on chapter consolidation
Discussions on practical applications
Solving comprehensive problems
Demonstrations of problem-solving strategies
Explaining real-world trigonometry
Calculators, triangle worksheets
Calculators, comprehensive problem sets, real-world examples
KLB Mathematics Book Three Pg 71-75
KLB Mathematics Book Three Pg 76-77
12 7
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

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