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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
Cube and cube roots
Cubes
Use of tables to find cubes
By the end of the lesson, the learner should be able to:

Find cubes of numbers
Defining
Discussions
Solving problem
Explaining
Sets
Books
Videos
Charts
Apparatus
KLB Mathematics
Book Two
Pg 1      discovering secondary pg 1
2 2
Cube and cube roots
Cube roots using factor method
By the end of the lesson, the learner should be able to:

Find cube roots using factor method
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 3-4             discovering secondary pg  4
2 3
Reciprocals
Reciprocal of numbers by division
By the end of the lesson, the learner should be able to:

Find the reciprocal of number by division
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 5         discovering secondary pg 7
2 4
Reciprocals
Indices and Logarithms
Reciprocal of number from tables
Indices
By the end of the lesson, the learner should be able to:

Find reciprocal of numbers from the table
Sets
Books
Videos
Charts
Apparatus
KLB Mathematics
Book Two
Pg 5-6      discovering secondary pg 7
2 5
Indices and Logarithms
Negative indices
By the end of the lesson, the learner should be able to:

Find the negative indices
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 8-9        discovering secondary pg 11
2 6
Indices and Logarithms
Fractional indices
Logarithms
By the end of the lesson, the learner should be able to:

Find the fractional indices
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 9-11    discovering secondary pg 12
2 7
Indices and Logarithms
Standard form
By the end of the lesson, the learner should be able to:

Write standard form of numbers
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 15    discovering secondary pg  13
3 1
Indices and Logarithms
Powers of 10 and common logarithms
Logarithms of positive numbers less than 1
By the end of the lesson, the learner should be able to:

Read from the table logarithms of numbers
Sets
Books
Videos
Charts
Apparatus
KLB Mathematics
Book Two
Pg 16-18     discovering secondary pg 15
3 2
Indices and Logarithms
Antilogarithms
By the end of the lesson, the learner should be able to:

Find the antilogarithms of numbers
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 19-20   discovering secondary pg 17
3 3
Indices and Logarithms
Applications of logarithms
By the end of the lesson, the learner should be able to:

Use multiplication and division law of indices to find logarithms
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 20-22    discovering secondary pg  18
3 4
Indices and Logarithms
Roots
By the end of the lesson, the learner should be able to:

Use log tables to find roots of numbers
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 24-25     discovering secondary pg 21 
3 5
Angle Properties of a Circle
Arc chord segment
By the end of the lesson, the learner should be able to:
identify an arc, chord and segment
Discussions
Drawing circles
Measuring radii/
diameters/angles
Identifying the parts of a
circle
Chart illustrating arc chord and segment
KLB Maths Bk2 Pg. 264-278
3 6
Angle Properties of a Circle
Angles subtended by the same arc in the same segment
Angle at the centre and at the circumference
By the end of the lesson, the learner should be able to:

relate and compute angles subtended by an arc of a circle at the circumference
Discussions
Drawing circles
Measuring radii/diameters/angles
Identifying the parts of a circle
Chart illustrating Angles subtended by the same arc in same segment are equal
Chart illustrating Angles subtended at the centre by an arc and one subtended at the circumference
KLB Maths Bk2 Pg. 264-278
3 7
Angle Properties of a Circle
Angles subtended by the diameter at the circumference
By the end of the lesson, the learner should be able to:

state the angle in the semi-circle
Discussions
Drawing circles
Measuring radii/diameters/angles
Identifying the parts of a circle
Circles showing the
different parts
KLB Maths Bk2 Pg. 264-278
4 1
Angle Properties of a Circle
Cyclic quadrilateral
By the end of the lesson, the learner should be able to:

state the angle properties of a cyclic quadrilateral
Discussions
Drawing circles
Measuring radii/diameters/angles
Identifying the parts of a circle
Circles showing the
different parts
KLB Maths Bk2 Pg. 264-278
4 2
Angle Properties of a Circle
Cyclic quadrilateral
Exterior angle property
By the end of the lesson, the learner should be able to:

find and compute angles of a cyclic quadrilateral
Discussions
Drawing circles
Measuring radii/diameters/angles
Identifying the parts of a circle
Circles showing the
different parts
KLB Maths Bk2 Pg. 264-278
4 3
Angle Properties of a Circle
Problem solving
By the end of the lesson, the learner should be able to:

solve problems on angle properties of a circle
Discussions
Drawing circles
Measuring radii/diameters/angles
Identifying the parts of a circle
Circles showing the
different parts Past paper questions
KLB Maths Bk2 Pg. 264-278
4 4
Angle Properties of a Circle
Vectors
Problem solving
Definition and Representation of vectors
By the end of the lesson, the learner should be able to:
state all the properties and use them selectively to solve missing angles.
Discussions
Drawing circles
Measuring radii/diameters/angles
Identifying the parts of a circle
Circles showing the
different parts Past paper questions
1x2 matrices
Graph papers
Square boards
Ruler
KLB Maths Bk2 Pg. 264-278
4 5
Vectors
Equivalent vectors
By the end of the lesson, the learner should be able to:
identify equivalent vectors
Writing position vectors
Adding/subtracting
numbers
Squaring and getting the
square root of numbers
1x2 matrices
Graph papers
Square boards
Ruler
KLB Maths Bk2 Pg. 285
4 6
Vectors
Addition of vectors
By the end of the lesson, the learner should be able to:
add vectors
Writing position vectors
Adding/subtracting
numbers
Squaring and getting the
square root of numbers
1x2 matrices
Graph papers
Square boards
Ruler
KLB Maths Bk2 Pg. 286-289
4 7
Vectors
Multiplication of vectors
Position vectors
By the end of the lesson, the learner should be able to:
multiply a vector and a scalar
Writing position vectors
Adding/subtracting
numbers
Squaring and getting the
square root of numbers
1x2 matrices
Graph papers
Square boards
Ruler
KLB Maths Bk2 Pg. 290
5 1
Vectors
Column vector
By the end of the lesson, the learner should be able to:

write a vector as a column vector
Writing position vectors
Adding/subtracting
numbers
Squaring and getting the
square root of numbers
1x2 matrices
Graph papers
Square boards
Ruler
KLB Maths Bk2 Pg. 296-297
5 2
Vectors
Magnitude of a vector
Mid - point
By the end of the lesson, the learner should be able to:

find the magnitude of a vector
Writing position vectors
Adding/subtracting
numbers
Squaring and getting the
square root of numbers
1x2 matrices
Graph papers
Square boards
Ruler
KLB Maths Bk2 Pg. 301
5 3
Vectors
Translation vector
By the end of the lesson, the learner should be able to:

find the translation vector given the object and the image
Writing position vectors
Adding/subtracting
numbers
Squaring and getting the
square root of numbers
1x2 matrices
Graph papers
Square boards
Ruler
KLB Maths Bk2 Pg.304
5 4
Circles: Chords and tangents
Length of an arc
Chords
By the end of the lesson, the learner should be able to:

Calculate the length of an arc
Discussions
Solving
Demonstrating
Explaining
Geometrical set,calculator
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 124-125
5 5
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
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 129-131
5 6
Circles: Chords and tangents
Equal chords
By the end of the lesson, the learner should be able to:

Find the length of equal chords
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 131-132
5 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
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 132-135
6 1
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
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 139-140
6 2
Circles: Chords and tangents
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:

Calculate the length of tangent
Calculate the angle between tangents
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 141-142
6 3
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
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 148-149
6 4
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
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 150-151
6 5
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
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 151-153
6 6
Circles: Chords and tangents
Problem solving
By the end of the lesson, the learner should be able to:

Solve problems involving chords, tangents and contact circles
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 154-157
6 7
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
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 157-160
7 1
Circles: Chords and tangents
Circumscribed circle
By the end of the lesson, the learner should be able to:

Construct circumscribed circles
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 165
7 2
Circles: Chords and tangents
Escribed circles
Centroid
By the end of the lesson, the learner should be able to:

Construct escribed circles
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 165-166
7 3
Circles: Chords and tangents
Orthocenter
By the end of the lesson, the learner should be able to:

Construct orthocenter
Discussions
Solving
Demonstrating
Explaining
Geometrical set ,calculator
KLB Mathematics
Book Three
Pg 167
7 4
Matrices
Matrix representation and order of matrix
By the end of the lesson, the learner should be able to:

Represent matrix
State the order of a matrix
Discussions
Solving
Demonstrating
Explaining
Chart showing tabular data
KLB Mathematics
Book Three
Pg 168-170
7 5
Matrices
Addition of matrix
Subtraction of matrices
By the end of the lesson, the learner should be able to:

Add matrices
Discussions
Solving
Demonstrating
Explaining
Chart showing tabular data
KLB Mathematics
Book Three
Pg 170
7 6
Matrices
Combined addition and subtraction of matrices
By the end of the lesson, the learner should be able to:

Perform the combined operation on matrices
Discussions
Solving
Demonstrating
Explaining
Chart showing tabular data
KLB Mathematics
Book Three
Pg 171-174
7 7
Matrices
Matrix multiplication
By the end of the lesson, the learner should be able to:

Multiply matrices
Discussions
Solving
Demonstrating
Explaining
Chart showing tabular data
KLB Mathematics
Book Three
Pg 174-175
8 1
Matrices
Identity matrix
By the end of the lesson, the learner should be able to:

Find the identity matrix
Discussions
Solving
Demonstrating
Explaining
KLB Mathematics
Book Three
Pg 182-183
8 2
Matrices
Determinant of a 2
By the end of the lesson, the learner should be able to:

Find the determinant of a 2
Discussions
Solving
Demonstrating
Explaining
Calculator
KLB Mathematics
Book Three
Pg 183
8 3
Matrices
Inverse of a 2
By the end of the lesson, the learner should be able to:

Calculate the inverse of a 2
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 183-185
8 4
Matrices
Solutions of simultaneous equations by matrix method
By the end of the lesson, the learner should be able to:

Solve simultaneous equations by matrix method
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 188-190
8 5
Matrices
Solutions of simultaneous equations by matrix method
Problem solving
By the end of the lesson, the learner should be able to:

Solve simultaneous equations by matrix method
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 188-190
8 6
Formulae and variations
Formulae
By the end of the lesson, the learner should be able to:

Make subject of the given formula
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 191-193
8 7
Formulae and variations
Direct variation
Inverse variation
By the end of the lesson, the learner should be able to:

Solve problems involving direct variations
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 194-196
9

Midterm

10 1
Formulae and variations
Partial variation
By the end of the lesson, the learner should be able to:

Solve problems involving partial variations
Discussions
Solving
Demonstrating
Explaining
Calculators 
KLB Mathematics
Book Three
Pg 201-203
10 2
Formulae and variations
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
10 3
Formulae and variations
Sequences and series
Joint variation
Sequences
By the end of the lesson, the learner should be able to:

Solve problems involving join variations
Discussions
Solving
Demonstrating
Explaining
KLB Mathematics
Book Three
Pg 206
10 4
Sequences and series
Arithmetic sequences
By the end of the lesson, the learner should be able to:

Find the nth term of a given arithmetic sequence
Discussions
Solving
Demonstrating
Explaining
KLB Mathematics
Book Three
Pg 209-210
10 5
Sequences and series
Geometric sequence
Arithmetic series
By the end of the lesson, the learner should be able to:

Find the nth term of a given geometric sequence
Discussions
Solving
Demonstrating
Explaining
KLB Mathematics
Book Three
Pg 211-213
10 6
Sequences and series
Geometric series
By the end of the lesson, the learner should be able to:

Find the nth term of a given geometric series
Discussions
Solving
Demonstrating
Explaining
KLB Mathematics
Book Three
Pg 216-219
10 7
Sequences and series
Geometric series
By the end of the lesson, the learner should be able to:

Find the nth term of a given geometric series
Discussions
Solving
Demonstrating
Explaining
KLB Mathematics
Book Three
Pg 216-219
11 1
Vectors II
Coordinates in two dimensions
Coordinates in three dimensions
By the end of the lesson, the learner should be able to:

Identify the coordinates of appoint in two dimensions
Discussions
Solving
Demonstrating
Explaining
Wire mesh in 3 dimensions
KLB Mathematics
Book Three
Pg 221
11 2
Vectors II
Column vectors
By the end of the lesson, the learner should be able to:

Find a displacement and represent it in column vector
Discussions
Solving
Demonstrating
Explaining
Wire mesh in 3 dimensions
KLB Mathematics
Book Three
Pg 223-224
11 3
Vectors II
Position vector
Unit vectors
By the end of the lesson, the learner should be able to:

Calculate the position vector
Discussions
Solving
Demonstrating
Explaining
KLB Mathematics
Book Three
Pg 224
11 4
Vectors II
Unit vectors
By the end of the lesson, the learner should be able to:

Express vectors in terms of unit vectors
Discussions
Solving
Demonstrating
Explaining
KLB Mathematics
Book Three
Pg 226-228
11 5
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
Discussions
Solving
Demonstrating
Explaining
calculators
KLB Mathematics
Book Three
Pg 229-230
11 6
Vectors II
Parallel vectors
Collinear points
By the end of the lesson, the learner should be able to:

Identify parallel vectors
Discussions
Solving
Demonstrating
Explaining
Geoboard
KLB Mathematics
Book Three
Pg 231-232
11 7
Vectors II
Collinear points
By the end of the lesson, the learner should be able to:

Show that points are collinear
Discussions
Solving
Demonstrating
Explaining
Geoboard
KLB Mathematics
Book Three
Pg 233-234
12 1
Vectors II
Proportion division of a line
By the end of the lesson, the learner should be able to:

Divide a line internally in the given ratio
Discussions
Solving
Demonstrating
Explaining
Geoboard, calculators
KLB Mathematics
Book Three
Pg 237-238
12 2
Vectors II
Proportion division of a line
By the end of the lesson, the learner should be able to:

Divide a line internally and externally in the given ratio
Discussions
Solving
Demonstrating
Explaining
Geoboard, calculators
KLB Mathematics
Book Three
Pg 239
12 3
Vectors II
Ratio theorem
By the end of the lesson, the learner should be able to:

Express position vectors
Discussions
Solving
Demonstrating
Explaining
Geoboard, calculators
KLB Mathematics
Book Three
Pg 240
12 4
Vectors II
Mid-point
By the end of the lesson, the learner should be able to:

Find the mid-points of the given vectors
Discussions
Solving
Demonstrating
Explaining
Geoboard, calculators
KLB Mathematics
Book Three
Pg 243
12 5
Vectors II
Ratio theorem
By the end of the lesson, the learner should be able to:

Use ratio theorem to find the given vectors
Discussions
Solving
Demonstrating
Explaining
Geoboard, calculators
KLB Mathematics
Book Three
Pg 244-245
12 6
Vectors II
Ratio theorem
Applications of vectors
By the end of the lesson, the learner should be able to:

Use ratio theorem to find the given vectors
Discussions
Solving
Demonstrating
Explaining
Geoboard, calculators
KLB Mathematics
Book Three
Pg 246-248
12 7
Vectors II
Applications of vectors
By the end of the lesson, the learner should be able to:

Use vectors to show the diagonals of a rectangle
Discussions
Solving
Demonstrating
Explaining
Geoboard, calculators
KLB Mathematics
Book Three
Pg

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