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SCHEME OF WORK
Mathematics
Form 3 2025
TERM II
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1

Opening and revision

2

Opener exams

3 1
Quadratic Expressions and Equations
Factorization of quadratic expressions
By the end of the lesson, the learner should be able to:

Factorize quadratic expressions
Write the perfect squares
Discussions
Solving
Demonstrating
Explaining
calculators
KLB Mathematics
Book Three
Pg 1
3 2
Quadratic Expressions and Equations
Completing squares
Completing squares
Solving quadratic expression by completing square
By the end of the lesson, the learner should be able to:
Factorize quadratic expression by completing square method
Factorize quadratic expressions
Solve quadratic expressions by completing square
Discussions
Solving
Demonstrating
Explaining
calculators
Calculators  
KLB Mathematics
Book Three
Pg 1-2
3 3
Quadratic Expressions and Equations
Solving quadratic expression by factorization
The quadratic formula
The quadratic formula
By the end of the lesson, the learner should be able to:
Factorize quadratic expressions
Solve quadratic expressions by factorization
Solve quadratic expressions using the quadratic formula
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 7
3 4
Quadratic Expressions and Equations
Formation of quadratic equations
Graphs of quadratic functions
By the end of the lesson, the learner should be able to:
Form a quadratic equation from word problem
Solve the quadratic equation
Draw a table of the quadratic functions
Draw graphs of quadratic functions
Discussions
Solving
Demonstrating
Explaining
graph papers & geoboard
KLB Mathematics
Book Three
Pg 9-10
3 5
Quadratic Expressions and Equations
Graphs of quadratic functions
Graphical solutions of quadratic equation
Graphical solutions of quadratic equation
By the end of the lesson, the learner should be able to:
Draw a table of the quadratic functions
Draw graphs of quadratic functions
Solve quadratic equations using the graphs
Discussions
Solving
Demonstrating
Explaining
graph papers & geoboard
KLB Mathematics
Book Three
Pg 12-15
3 6
Quadratic Expressions and Equations
Approximations and Errors
Graphical solutions of simultaneous equations
Further graphical solutions
Computing using calculators
By the end of the lesson, the learner should be able to:
Draw tables for simultaneous equations
Find the graphical solutions of simultaneous equations
Draw tables of other related quadratic equations
Solve other related quadratic functions graphically
Solve basic operations using calculators
Discussions
Solving
Demonstrating
Explaining
graph papers & geoboard
graph papers & geoboards
Calculators 
KLB Mathematics
Book Three
Pg 19-21
3 7
Approximations and Errors
Computing using calculators
Approximation
Estimation
By the end of the lesson, the learner should be able to:
Solve basic operations using calculators
Approximate values by rounding off
Approximate values by truncation
Approximate values by estimation
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 26-28
4 1
Approximations and Errors
Accuracy and errors
Percentage error
Rounding off error and truncation error
By the end of the lesson, the learner should be able to:
Find the absolute error
Find the relative error
Find the percentage error of a given value
Find the rounding off error
Find the truncation error
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 31-32
4 2
Approximations and Errors
Propagation of 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
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 35-36
4 3
Approximations and Errors
Propagation of errors
Propagation of errors
Propagation of errors
By the end of the lesson, the learner should be able to:
Find the propagation of errors in multiplication
Find the propagation of errors in division
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 36-37
4 4
Approximations and Errors
Trigonometry (II)
Propagation of errors
Word problems
The unit circle
By the end of the lesson, the learner should be able to:
Find the propagation of errors in division
Find the propagation of errors of a word problem
Draw the unit circle
Discussions
Solving
Demonstrating
Explaining
Calculators 
Calculators
Protractor
Ruler
Pair of compasses
KLB Mathematics
Book Three
Pg 37-38
4 5
Trigonometry (II)
The unit circle
Trigonometric ratios of angles greater than 900
Trigonometric ratios of angles greater than 900
By the end of the lesson, the learner should be able to:
Solve problems using the unit circle
Find the trigonometric values of angles
Discussions
Solving
Demonstrating
Explaining
Calculators
Protractor
Ruler
Pair of compasses
Calculators 
KLB Mathematics
Book Three
Pg 43-44
4 6
Trigonometry (II)
Trigonometric ratios of negative angles
Trigonometric ratios of angles greater than 3600
Use of mathematical tables
By the end of the lesson, the learner should be able to:
Find the trigonometric values of negative angles
Find the trigonometric values of angles greater than 3600
Use mathematical tables to find sine and cosine
Discussions
Solving
Demonstrating
Explaining
geo boards & graph books
mathematical tables
KLB Mathematics
Book Three
Pg 48-49
4 7
Trigonometry (II)
Use of mathematical tables
Use of calculators
By the end of the lesson, the learner should be able to:
Use mathematical tables to find tan
Use calculators to find sine, cosine and tan
Discussions
Solving
Demonstrating
Explaining
mathematical tables
calculators
KLB Mathematics
Book Three
Pg 55-56
5 1
Trigonometry (II)
Radian measure
Simple trigonometric graphs
Graphs of cosines
By the end of the lesson, the learner should be able to:
Convert degrees to radians and vice versa
Draw tables for sine of values
Draw graphs of sine functions
Draw tables for cosine of values
Draw graphs of cosine functions
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 58-61
5 2
Trigonometry (II)
Graphs of tan
The sine rule
Cosine rule
By the end of the lesson, the learner should be able to:
Draw tables for tan of values
Draw graphs of tan functions
State the sine rule
Use sine rule to find solution of triangles
Discussions
Solving
Demonstrating
Explaining
Calculators 
Calculators                                                       
KLB Mathematics
Book Three
Pg 64-65
5 3
Trigonometry (II)
Further Logarithms
Further Logarithms
Problem solving
Introduction
Laws of logarithms
By the end of the lesson, the learner should be able to:
Solve problems on cosines, sines and tan
Use calculators to find the logarithm of numbers
State the laws of logarithms
Use laws of logarithms to solve problems
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 76-77
5 4
Further Logarithms
Laws of logarithms
Logarithmic equations and expressions
Logarithmic equations and expressions
By the end of the lesson, the learner should be able to:
State the laws of logarithms
Use laws of logarithms to solve problems
Solve the logarithmic equations and expressions
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 90-93
5 5
Further Logarithms
Further computation using logarithms
Further computation using logarithms
By the end of the lesson, the learner should be able to:
Solve problems involving logarithms
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 95-96
5 6
Further Logarithms
Further computation using logarithms
Problem solving
Problem solving
By the end of the lesson, the learner should be able to:
Solve problems involving logarithms
Discussions
Solving
Demonstrating
Explaining
Discussions Solving
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 95-96
5 7
Circles: Chords and tangents
Length of an arc
Chords
Parallel chords
By the end of the lesson, the learner should be able to:
Calculate the length of an arc
Calculate the length of a chord
Calculate the perpendicular bisector
Find the value of parallel chords
Discussions
Solving
Demonstrating
Explaining
Geometrical set,calculator
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 124-125
6 1
Circles: Chords and tangents
Equal chords
Intersecting chords
Intersecting chords
By the end of the lesson, the learner should be able to:
Find the length of equal chords
Calculate the length of intersecting chords
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 131-132
6 2
Circles: Chords and tangents
Tangent to a circle
Tangent to a circle
Properties of tangents to a circle from an external point
By the end of the lesson, the learner should be able to:
Construct a tangent to a circle
Calculate the length of tangent
Calculate the angle between tangents
State the properties of tangents to a circle from an external point
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 139-140
6 3
Circles: Chords and tangents
Tangents to two circles
Tangents to two circles
By the end of the lesson, the learner should be able to:
Calculate the tangents of direct common tangents
Calculate the tangents of transverse common tangents
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 148-149
6 4
Circles: Chords and tangents
Contact of circles
Contact of circles
Problem solving
By the end of the lesson, the learner should be able to:
Calculate the radii of contact circles
Solve problems involving chords, tangents and contact circles
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 151-153
6 5
Circles: Chords and tangents
Angle in alternate segment
Angle in alternate segment
Circumscribed circle
By the end of the lesson, the learner should be able to:
Calculate the angles in alternate segments
Construct circumscribed circles
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 157-160
6 6
Circles: Chords and tangents
Escribed circles
Centroid
Orthocenter
By the end of the lesson, the learner should be able to:
Construct escribed circles
Construct centroid
Construct orthocenter
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 165-166
6 7
Matrices
Matrix representation and order of matrix
Addition of matrix
Subtraction of matrices
By the end of the lesson, the learner should be able to:
Represent matrix
State the order of a matrix
Add matrices
Subtract matrices
Discussions
Solving
Demonstrating
Explaining
Chart showing tabular data
KLB Mathematics
Book Three
Pg 168-170
7 1
Matrices
Combined addition and subtraction of matrices
Matrix multiplication
By the end of the lesson, the learner should be able to:
Perform the combined operation on matrices
Multiply matrices
Discussions
Solving
Demonstrating
Explaining
Chart showing tabular data
KLB Mathematics
Book Three
Pg 171-174
7 2
Matrices
Matrix multiplication
Identity matrix
Determinant of a 2
By the end of the lesson, the learner should be able to:
Multiply matrices
Find the identity matrix
Find the determinant of a 2
Discussions
Solving
Demonstrating
Explaining
Chart showing tabular data
Calculator
KLB Mathematics
Book Three
Pg 176-179
7 3
Matrices
Inverse of a 2
Inverse of a 2
Solutions of simultaneous equations by matrix method
By the end of the lesson, the learner should be able to:
Calculate the inverse of a 2
Solve simultaneous equations by matrix method
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 183-185
7 4
Matrices
Formulae and variations
Solutions of simultaneous equations by matrix method
Problem solving
Formulae
By the end of the lesson, the learner should be able to:
Solve simultaneous equations by matrix method
Calculate the inverse of a matrix
Make subject of the given formula
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 188-190
7 5
Formulae and variations
Direct variation
Inverse variation
Partial variation
By the end of the lesson, the learner should be able to:
Solve problems involving direct variations
Solve problems involving inverse variations
Solve problems involving partial variations
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 194-196
7 6
Formulae and variations
Joint variation
Joint variation
By the end of the lesson, the learner should be able to:
Solve problems involving join variations
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 204-205
7 7
Sequences and series
Sequences
Arithmetic sequences
Geometric sequence
By the end of the lesson, the learner should be able to:
Find the next terms
Find the nth term of a given arithmetic sequence
Find the nth term of a given geometric sequence
Discussions
Solving
Demonstrating
Explaining
KLB Mathematics
Book Three
Pg 207-208
8

Midterm exam

9

Midterm break

10 1
Sequences and series
Arithmetic series
Geometric series
Geometric series
By the end of the lesson, the learner should be able to:
Find the nth term of a given arithmetic series
Find the nth term of a given geometric series
Discussions
Solving
Demonstrating
Explaining
KLB Mathematics
Book Three
Pg 214-215
10 2
Vectors II
Coordinates in two dimensions
Coordinates in three dimensions
Column vectors
By the end of the lesson, the learner should be able to:
Identify the coordinates of appoint in two dimensions
Identify the coordinates of appoint in three dimensions
Find a displacement and represent it in column vector
Discussions
Solving
Demonstrating
Explaining
Wire mesh in 3 dimensions
KLB Mathematics
Book Three
Pg 221
10 3
Vectors II
Position vector
Unit vectors
Unit vectors
By the end of the lesson, the learner should be able to:
Calculate the position vector
Express vectors in terms of unit vectors
Discussions
Solving
Demonstrating
Explaining
KLB Mathematics
Book Three
Pg 224
10 4
Vectors II
Magnitude of a vector in three dimensions
Parallel vectors
By the end of the lesson, the learner should be able to:
Calculate the magnitude of a vector in three dimensions
Identify parallel vectors
Discussions
Solving
Demonstrating
Explaining
calculators
Geoboard
KLB Mathematics
Book Three
Pg 229-230
10 5
Vectors II
Collinear points
Collinear points
Proportion division of a line
By the end of the lesson, the learner should be able to:
Show that points are collinear
Divide a line internally in the given ratio
Discussions
Solving
Demonstrating
Explaining
Geoboard
Geoboard, calculators
KLB Mathematics
Book Three
Pg 232
10 6
Vectors II
Proportion division of a line
Proportion division of a line
Ratio theorem
By the end of the lesson, the learner should be able to:
Divide a line externally in the given ratio
Divide a line internally and externally in the given ratio
Express position vectors
Discussions
Solving
Demonstrating
Explaining
Geoboard, calculators
KLB Mathematics
Book Three
Pg 238
10 7
Vectors II
Ratio theorem
Mid-point
Ratio theorem
By the end of the lesson, the learner should be able to:
Find the position vector
Find the mid-points of the given vectors
Use ratio theorem to find the given vectors
Discussions
Solving
Demonstrating
Explaining
Geoboard, calculators
KLB Mathematics
Book Three
Pg 242
11 1
Vectors II
Ratio theorem
Applications of vectors
Applications of vectors
By the end of the lesson, the learner should be able to:
Use ratio theorem to find the given vectors
Use vectors to show the diagonals of a parallelogram
Use vectors to show the diagonals of a rectangle
Discussions
Solving
Demonstrating
Explaining
Geoboard, calculators
KLB Mathematics
Book Three
Pg 246-248
11 2
Binomial expansion
Binomial Expansion up to power four
Pascal
By the end of the lesson, the learner should be able to:
Expand binomial function up to power four
Use Pascal
Discussions
Solving
Demonstrating
Explaining
 calculators
KLB Mathematics
Book Three
Pg 256
11 3
Binomial expansion
Pascal
Pascal
Applications to numerical cases
By the end of the lesson, the learner should be able to:
Use Pascal
Use binomial expansion to solve numerical problems
Discussions
Solving
Demonstrating
Explaining
 calculators
KLB Mathematics
Book Three
Pg 258-259
11 4
Binomial expansion
Probability
Probability
Applications to numerical cases
Experimental probability
Experimental probability
By the end of the lesson, the learner should be able to:
Use binomial expansion to solve numerical problems
Calculate the experimental probability
Discussions
Solving
Demonstrating
Explaining
Calculators
KLB Mathematics
Book Three
Pg 259-260
11 5
Probability
Range of probability measure
Probability space
Probability space
By the end of the lesson, the learner should be able to:
Calculate the range of probability measure
Calculate the probability space for the theoretical probability
Discussions
Solving
Demonstrating
Explaining
Calculators
Calculators, charts
KLB Mathematics
Book Three
Pg 265-266
11 6
Probability
Combined events
Combined events
Independent events
By the end of the lesson, the learner should be able to:
Find the probability of a combined events
Find the probability of independent events
Discussions
Solving
Demonstrating
Explaining
Calculators, charts
KLB Mathematics
Book Three
Pg 272-273
11 7
Probability
Independent events
Independent events
By the end of the lesson, the learner should be able to:
Find the probability of independent events
Discussions
Solving
Demonstrating
Explaining
Calculators, charts
KLB Mathematics
Book Three
Pg 276-277
12 1
Probability
Tree diagrams
Tree diagrams
Tree diagrams
By the end of the lesson, the learner should be able to:
Draw tree diagrams to show the probability space
Use tree diagrams to find probability
Discussions
Solving
Demonstrating
Explaining
Calculators, charts
KLB Mathematics
Book Three
Pg 282
12 2
Compound proportions and rate of work
Compound proportions
Compound proportions
Proportional parts
By the end of the lesson, the learner should be able to:
Find the compound proportions
Calculate the proportional parts
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 288-290
12 3
Compound proportions and rate of work
Rates of work
Rates of work
Rates of work
By the end of the lesson, the learner should be able to:
Calculate the rate of work
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 294-295
12 4
Graphical methods
Tables of given relations
Graphs of given relations
Graphical solution of cubic equations
By the end of the lesson, the learner should be able to:
Draw tables of given relations
Draw graphs of given relations
Draw tables of cubic functions
Discussions
Solving
Demonstrating
Explaining
Geoboard & graph books
KLB Mathematics
Book Three
Pg 299
12 5
Graphical methods
Graphical solution of cubic equations
Average rates of change
By the end of the lesson, the learner should be able to:
Draw graphs of cubic equations
Calculate the average rates of change
Discussions
Solving
Demonstrating
Explaining
Geoboard & graph books
KLB Mathematics
Book Three
Pg 302-304
12 6
Graphical methods
Rate of change at an instant
Empirical graphs
Reduction of non-linear laws to linear form
By the end of the lesson, the learner should be able to:
Calculate the rate of change at an instant
Draw the empirical graphs
Draw the graphs of reduction of non-linear laws to linear form
Discussions
Solving
Demonstrating
Explaining
Geoboard & graph books
KLB Mathematics
Book Three
Pg 310-311
12 7
Graphical methods
Reduction of non-linear laws to linear form
Reduction of non-linear laws to linear form
Equation of a circle
Equation of a circle
Equation of a circle
By the end of the lesson, the learner should be able to:
Draw the graphs of reduction of non-linear laws to linear form
Find the equation of a circle
Discussions
Solving
Demonstrating
Explaining
Geoboard & graph books
Geoboard & graph bookss
KLB Mathematics
Book Three
Pg 318-321
13

End term exams

14

End term break


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