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Mathematics
Form 2 2025
TERM II
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1

OPENER EXAM

2 1
Gradient and equations of straight lines
The graph of a straight line
By the end of the lesson, the learner should be able to:

Draw the graph of a straight line
Sets
Books
Videos
Charts
KLB Mathematics
Book  Pg39-40                  discovering secondary pg 29
2 2
Gradient and equations of straight lines
Perpendicular lines
Parallel lines
By the end of the lesson, the learner should be able to:

Determine the equation of perpendicular lines
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 41-42      discovering secondary pg 30
2 3
Reflection and congruence
Symmetry
Reflection
Some general deductions using reflection
By the end of the lesson, the learner should be able to:

Find the lines of symmetry of shapes
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
Sets
KLB Mathematics
Book Two
Pg 46-47   Discovering secondary pg 32
2 4
Reflection and congruence
Some general deductions using reflection
Congruence
Congruent triangles
By the end of the lesson, the learner should be able to:

Deduce some general rules of reflection
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 57-59   Discovering secondary pg 37
2 5
Reflection and congruence
Congruent triangles
The ambiguous case
By the end of the lesson, the learner should be able to:

Determine the congruent triangles
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 65-66   Discovering secondary pg 40
2 6
Rotation
Introduction
Centre of rotation
Angle of rotation
By the end of the lesson, the learner should be able to:

Draw an image of an object under rotation
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 71-73  Discovering secondary pg 44
3 1
Rotation
Rotation in the Cartesian plane
By the end of the lesson, the learner should be able to:

Rotate objects about the origin
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
Sets
KLB Mathematics
Book Two
Pg 75   Discovering secondary pg 47
3 2
Rotation
Rotational symmetry of plane figures
Rotational symmetry of solids
By the end of the lesson, the learner should be able to:

State the order of rotational symmetry
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 78-80  Discovering secondary pg 49
3 3
Rotation
Similarity and enlargement
Similarity and enlargement
Rotation and congruence
Similar figures
Similar figures
By the end of the lesson, the learner should be able to:

Determine the relationship between rotation and congruence
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
Sets
KLB Mathematics
Book Two
Pg 84       Discovering secondary pg  50
3 4
Similarity and enlargement
Enlargement
Enlarge objects
Linear scale factor
By the end of the lesson, the learner should be able to:

Enlarge an object
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 97  Discovering secondary pg 57
3 5
Similarity and enlargement
Linear scale factor
Negative scale factor
By the end of the lesson, the learner should be able to:

Use the linear scale factor to find lengths
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 100-101   Discovering secondary pg 56
3 6
Similarity and enlargement
Positive and negative linear scale factor
Area scale factor
Area of scale factor
By the end of the lesson, the learner should be able to:

Solve problems on linear scale factor
Defining
Discussions
Solving problem
Explaining
Sets
Books
Videos
Charts
Apparatus
KLB Mathematics
Book Two
Pg 105-106  Discovering secondary pg  60
4 1
Similarity and enlargement
Volume scale factor
Area and volume scale factor
By the end of the lesson, the learner should be able to:

Determine the volume scale factor
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 109-110  Discovering secondary pg 64
4 2
Trigonometry 
Pythagoras Theorem
Solutions of problems Using Pythagoras Theorem
By the end of the lesson, the learner should be able to:
Derive Pythagoras Theorem
Deriving Pythagoras Theorem
Chalkboard Charts Illustrating derived theorem
Charts illustrating Pythagoras theorem
KLB BK2 Pg 120   Discovering secondary pg 67
4 3
Trigonometry 
Application to real life Situation
Trigonometry Tangent, sine and cosines
Trigonometric Table
By the end of the lesson, the learner should be able to:
Use the formula A = ?s(s-a)(s-b)(s-c) to solve problems in real life
Solving problems in real life using the formula A = ?s(s-a)(s-b)(s-c)
Mathematical table
Charts illustrating tangent, sine and cosine
KLB BK2 Pg 159    Discovering secondary pg 67
4 4
Trigonometry 
Angles and sides of a right angled triangle
Establishing Relationship of sine and cosine of complimentary angles
Sines and cosines of Complimentary angles
By the end of the lesson, the learner should be able to:
Use the sine, cosine and tangent in calculating the length of a right angled triangle and also finding the angle given two sides and unknown angle The length can be obtained if one side is given and an angle
Using mathematical tables Finding the length using sine ratio Finding the length using Cosine and tangent ratio Finding the angle using Sine, cosine and tangent
Mathematical table Charts Chalkboard
Chalkboards
Chalkboard Charts illustrating the relationship of sines and cosines of complimentary angles
KLB BK2 Pg 125, 139, 140  Discovering secondary pg  
4 5
Trigonometry 
Relationship between tangent, sine and cosine
Trigonometric ratios of special angles 30, 45, 60 and 90
By the end of the lesson, the learner should be able to:
Relate the three trigonometric ratios, the sine, cosine and tangent
Relating the three trigonometric ratios
Charts showing the three related trigonometric ratio
Charts showing isosceles right angled triangle Charts illustrating Equilateral triangle
KLB BK2 Pg 145
4 6
Trigonometry 
Application of Trigonometric ratios in solving problems
Logarithms of Sines
Logarithms of cosines And tangents
By the end of the lesson, the learner should be able to:
Solve trigonometric problems without using tables
Solving trigonometric problems of special angles
Chalkboard
Chalkboard Mathematical tables
Chalkboard Mathematical table
KLB BK2 Pg 148
5 1
Trigonometry 
Reading tables of logarithms of sines, cosines and tangents
Application of trigonometry to real life situations
Area of a triangle Area of a triangle given the base and height (A = ? bh)
By the end of the lesson, the learner should be able to:
Read the logarithms of sines, cosines and tangents from tables
Solving problems through reading the table of logarithm of sines, cosines and tangents
Chalkboard Mathematical table
Mathematical table
Chart illustrating worked problem Chalkboard
KLB BK2 Pg 149-152
5 2
Trigonometry 
Area of a triangle using the formula (A = ? absin?)
Area of a triangle using the formula A = ?s(s-a)(s-b)(s-c)
By the end of the lesson, the learner should be able to:
- Derive the formula ? absinc - Using the formula derived in calculating the area of a triangle given two sides and an included angle
Deriving the formula ? absinc Using the formula to calculate the area of a triangle given two sides and an included angle
Charts illustrating a triangle with two sides and an included angle Charts showing derived formula
Charts illustrating a triangle with three sides Charts illustrating a worked example i.e. mathematical table
KLB BK2 Pg 156
5 3
Trigonometry 
Area of Quadrilateral and Polygons Area of a square, rectangle, rhombus, parallelogram and trapezium
Area of a kite
Area of other polygons (regular polygon) e.g. Pentagon
By the end of the lesson, the learner should be able to:
Calculate the are of a triangle, square, rectangle, rhombus, parallelogram and trapezium
Calculating the area of a triangle, square, rectangle, rhombus, parallelogram and trapezium
Charts illustrating formula used in calculating the areas of the quadrilateral
Model of a kite
Mathematical table Charts illustrating Polygons
KLB BK2 Pg 161-163
5 4
Trigonometry 
Area of irregular Polygon
Area of part of a circle Area of a sector (minor sector and a major sector)
Defining a segment of a circle Finding the area of a segment of a circle
By the end of the lesson, the learner should be able to:
Find the area of irregular polygons
Finding the area of irregular polygons
Charts illustrating various irregular polygons Polygonal shapes
Charts illustrating sectors
Chart illustrating a Segment
KLB BK2 Pg 166
5 5
Trigonometry 
Area of a common region between two circles given the angles and the radii
Area of a common region between two circles given only the radii of the two circles and a common chord
By the end of the lesson, the learner should be able to:
Find the area of common region between two circles given the angles ? Education Plus Agencies
Calculating the area of a segment
Charts illustrating common region between the circles Use of a mathematical table during calculation
Charts illustrating common region between two intersecting circles
KLB BK 2 Pg 175
5 6
Trigonometry 
Surface area of solids Surface area of prisms Cylinder (ii) Triangular prism (iii) Hexagonal prism
Area of a square based Pyramid
Surface area of a Rectangular based Pyramid
By the end of the lesson, the learner should be able to:
Define prism and hence be in a position of calculating the surface area of some prisms like cylinder, triangular prism and hexagonal prism
Defining a prism Calculating the surface area of the prisms
Models of cylinder, triangular and hexagonal prisms
Models of a square based pyramid
Models of a Rectangular based pyramid
KLB BK 2 Pg 177
6 1
Trigonometry 
Surface area of a cone using the formula A = ?r2 + ?rl
Surface area of a frustrum of a cone and a pyramid
Finding the surface area of a sphere
By the end of the lesson, the learner should be able to:
Find the total surface area of the cone by first finding the area of the circular base and then the area of the curved surface
Finding the area of the circular part Finding the area of the curved part Getting the total surface Area
Models of a cone
Models of frustrum of a cone and a pyramid
Models of a sphere Charts illustrating formula for finding the surface area of a sphere
KLB BK 2 Pg 181
6 2
Trigonometry 
Surface area of a Hemispheres
Volume of Solids Volume of prism (triangular based prism)
By the end of the lesson, the learner should be able to:
Find the surface area of a hemisphere
Finding the surface area of a hemisphere
Models of a hemisphere
Models of a triangular based prism
KLB BK 2 Pg 184
6 3
Trigonometry 
Volume of prism (hexagonal based prism) given the sides and angle
Volume of a pyramid (square based and rectangular based)
Volume of a cone
By the end of the lesson, the learner should be able to:
Find the volume of a hexagonal based prism
Calculating the volume of an hexagonal prism
Models of hexagonal based prism
Models of square and Rectangular based Pyramids
Model of a cone
KLB BK 2 Pg 187
6 4
Trigonometry 
Volume of a frustrum of a cone
Volume of a frustrum of a pyramid
Volume of a sphere (v = 4/3?r3)
By the end of the lesson, the learner should be able to:
Find the volume of a frustrum of a cone
Finding the volume of a full cone before its cutoff Finding the volume of a cut cone then subtracting
Models of a frustrum of a cone
Models of frustrum of a pyramid
Model of a sphere Mathematical table
KLB BK 2 Pg 192
6 5
Trigonometry 
Volume of a Hemisphere {(v = ? (4/3?r3)}
Application of area of triangles to real life
By the end of the lesson, the learner should be able to:
Find the volume of a hemisphere
Working out the volume of a hemisphere
Models of hemisphere
Mathematical table Chart illustrating formula used
Macmillan BK 2 Pg 173
6 6
Trigonometric Ratios
Tangent of an angle
Using tangents in calculations
By the end of the lesson, the learner should be able to:
name the sides of a right-angled triangle as opposite, adjacent and hypotenuse. Find the tangent of an angle by calculation
Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 119-122
7 1
Trigonometric Ratios
Application of tangents
The sine of an angle
The cosine of an angle
By the end of the lesson, the learner should be able to:

work out further problems using tangents
Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 119-122
7 2
Trigonometric Ratios
Application of sine and cosine
Complementary angles
By the end of the lesson, the learner should be able to:

apply sines to work out lengths and angles. Apply cosine to work out length and angles
Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 119-122
7 3
Trigonometric Ratios
Special angles
Application of Special angles
Logarithms of sines, cosines and tangents
By the end of the lesson, the learner should be able to:

find the sine, cos, and tan of 300,600,450,00,900, without using tables
Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 119-122
7 4
Trigonometric Ratios
Relationship between sin, cos and tan
Application to real life situation
Problem solving
By the end of the lesson, the learner should be able to:

relate sin, cos and tan that is tan?=sin?
cos?
Solve problems using the relationship
Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 119-122
7 5
Area of A Triangle
Area =
Solve problems involving =
By the end of the lesson, the learner should be able to:

derive the formula Area =
Discussions
Drawing triangles
Measuring lengths/angles
Calculating area
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 155-157
7 6
Area of A Triangle
Area of Quadrilaterals
A =?s(s-a) (s-b) (s-c)
Problem solving
Area of parallelogram
By the end of the lesson, the learner should be able to:

find the area of a triangle given the three sides
Discussions
Drawing triangles
Measuring lengths/angles
Calculating area
Protractor
Ruler
Right corners
Mathematical tables
Parallelograms
Trapeziums
Polygons
Squares/rectangles
KLB Maths Bk2 Pg. 155-157
8

MID-TERM EXAM

9 1
Area of Quadrilaterals
Area of Rhombus
Area of trapezium and kite
Area of regular polygons
By the end of the lesson, the learner should be able to:

find the area of a regular polygon.
Drawing trapeziums/polygons
Measuring lengths/angles
Reading mathematical tables
Discussions
Parallelograms
Trapeziums
Polygons
Squares/rectangles
Mathematical tables
Mathematical tables Chalkboard illustrations
KLB Maths Bk2 Pg. 161
9 2
Area of Quadrilaterals
Area of Part of a Circle
Problem solving
Area of a sector
By the end of the lesson, the learner should be able to:

solve problems on area of quadrilaterals and other polygons
Learners solve problems
Parallelograms
Trapeziums
Polygons
Squares/rectangles
Mathematical tables
Circles
Chart illustrating the area of a sector
KLB Maths Bk2 Pg. 165-166
9

HALF-TERM BREAK

10 1
Area of Part of a Circle
Area of a segment
Common region between two circles
Common region between two circles
By the end of the lesson, the learner should be able to:
find area of a segment
Drawing circles
Measuring radii/diameters
Measuring angles
Calculating the area of a circle
Discussions
Circles
Chart illustrating the area of a minor segment
KLB Maths Bk2 Pg. 167-169
10 2
Area of Part of a Circle
Surface Area of Solids
Surface Area of Solids
Problem solving
Surface area of prisms
Surface area of pyramid
By the end of the lesson, the learner should be able to:

solve problems involving the area of part of a circle
Drawing circles
Measuring radii/diameters
Measuring angles
Calculating the area of a circle
Discussions
Circles
Chart illustrating the area of a minor segment Chalkboard illustrations
Prism Chalkboard illustrations
Pyramids with square base, rectangular base, triangular base
KLB Maths Bk2 Pg. 167-169
10 3
Surface Area of Solids
Surface area of a cone
Surface area of frustrum with circular base
By the end of the lesson, the learner should be able to:

find the surface area of a cone
Drawing cones/frustums
Making cones/frustums
Measuring lengths/
angles
Discussions
Cone
Chart illustrating the surface area of a frustrum
KLB Maths Bk2 Pg. 180
KLBMathematics Bk2
Discovering Secondary Mathematics Bk2
10 4
Surface Area of Solids
Surface area of frustrum with square base
Surface area of frustrum with rectangular base
Surface area of spheres
By the end of the lesson, the learner should be able to:

find the surface area of frustrum with square base
Drawing cones/frustums
Making cones/frustums
Measuring lengths/
angles
Discussions Learners find the surface area
Chart illustrating frustrum with a square base
Chart illustrating frustrum with a rectangular base
Chalkboard illustrations
KLB Maths Bk2 Pg. 181-183
10 5
Surface Area of Solids
Volume of Solids
Volume of Solids
Problem solving
Volume of prism
Volume of pyramid
By the end of the lesson, the learner should be able to:

solve problems on surface area of solids
Learners solve problems
Past paper questions
Prism
Pyramid
KLB Maths Bk2 Pg. 183
10 6
Volume of Solids
Volume of a cone
Volume of a sphere
By the end of the lesson, the learner should be able to:

find the volume of a cone
Making cones/frustums
Opening cones/frustums
to form nets
Cone
Sphere
KLB Maths Bk2 Pg. 191
11 1
Volume of Solids
Volume of frustrum
Volume of frustrum with a square base
Volume of frustrum with a rectangular base
By the end of the lesson, the learner should be able to:

find the volume of a frustrum with a circular base
Making cones/frustums
Opening cones/frustums
to form nets
Frustrum with circular base
Frustrum with square base
Frustrum with rectangular base
KLB Maths Bk2 Pg. 192-193
11 2
Volume of Solids
Quadratic Expressions and Equations
Application to real life situation
Problem solving
Expansion of Algebraic Expressions
By the end of the lesson, the learner should be able to:
apply the knowledge of volume of solids to real life situations.
Making cones/frustums
Opening cones/frustums
to form nets
Models of pyramids, prism, cones and spheres
Past paper questions
Real-life experiences
Worked out
expressions
KLB Maths Bk2 Pg. 193-194
11 3
Quadratic Expressions and Equations
Quadratic identities
Application of identities
By the end of the lesson, the learner should be able to:

derive the three Algebraic identities
Discussions
Multiplying numbers
Dividing numbers
Adding numbers
Subtracting numbers
Exercises
Real-life experiences
Worked out
expressions
KLB Maths Bk2 Pg. 204-205
11 4
Quadratic Expressions and Equations
Factorise the Identities
Factorise other quadratic expressions
Factorisation of expressions of the form k2-9y2
By the end of the lesson, the learner should be able to:
factorise the identities
Discussions
Multiplying numbers
Dividing numbers
Adding numbers
Subtracting numbers
Exercises
Real-life experiences
Worked out
expressions
Chart illustrating factorization of a quadratic expression
KLB Maths Bk2 Pg. 205-208
11 5
Quadratic Expressions and Equations
Simplification of an expression by factorisation
Solving quadratic equations
The formation of quadratic equations
By the end of the lesson, the learner should be able to:
simplify a quadratic expression by factorisation
Discussions
Multiplying numbers
Dividing numbers
Adding numbers
Subtracting numbers
Exercises
Real-life experiences
Worked out
expressions
KLB Maths Bk2 Pg. 205-208
11 6
Quadratic Expressions and Equations
Formation and solving of quadratic equations from word problems
Solving on quadratic equations
By the end of the lesson, the learner should be able to:
form and solve quadratic equations from word problems
Discussions
Multiplying numbers
Dividing numbers
Adding numbers
Subtracting numbers
Exercises
Real-life experiences
Worked out
expressions
KLB Maths Bk2 Pg. 208-210
12 1
Quadratic Expressions and Equations
Linear Inequalities
Linear Inequalities
Forming quadratic equations from the roots
Inequalities symbols
Number line
By the end of the lesson, the learner should be able to:
form quadratic equations given the roots of the equation
Discussions
Multiplying numbers
Dividing numbers
Adding numbers
Subtracting numbers
Exercises
Real-life experiences
Worked out
expressions
Number lines
Graph papers
Square boards
Negative and positive numbers
Negative and positive
numbers
KLB Maths Bk2 Pg. 210
12 2
Linear Inequalities
Inequalities in one unknown
Graphical representation
Graphical solutions of simultaneous linear inequalities
By the end of the lesson, the learner should be able to:
solve linear inequalities in one unknown and state the integral values
Drawing graphs of
inequalities
Determining the scale of a graph
Shading unwanted regions
Discussions
Number lines
Graph papers
Square boards
Negative and positive
numbers
Number lines Graph papers
KLB Maths Bk2 Pg. 213-224
12 3
Linear Inequalities
Graphical solutions of simultaneous linear inequalities
Area of the wanted region
By the end of the lesson, the learner should be able to:
solve simultaneous linear inequalities graphically
Drawing graphs of
inequalities
Determining the scale of a graph
Shading unwanted regions
Discussions
Number lines
Graph papers
Square boards
Negative and positive
numbers
KLB Maths Bk2 Pg. 213-224
12 4
Linear Inequalities
Linear Motion
Inequalities from inequality graphs
Problem solving.
Displacement, velocity, speed and acceleration
By the end of the lesson, the learner should be able to:
form simple linear inequalities from inequality graphs
Drawing graphs of
inequalities
Determining the scale of a graph
Shading unwanted regions
Discussions
Number lines
Graph papers
Square boards
Negative and positive
numbers
Stones
Pieces of paper
KLB Maths Bk2 Pg. 213-224
12 5
Linear Motion
Distinguishing terms
Distinguishing velocity and acceleration
Distance time graphs
By the end of the lesson, the learner should be able to:
distinguish between distance and displacement, speed and velocity
Plotting graphs
Drawing graphs
Graph papers
Stones
Pieces of paper
KLB Maths Bk2 Pg. 228-238
12 6
Linear Motion
Interpret the velocity time graph
Interpreting graphs
Relative speed (objects moving in the same direction)
Problem solving
By the end of the lesson, the learner should be able to:
interpret a velocity time graph
Learners interpret a velocity time graph
Drawn graphs
Real life situation
Chalkboard illustrations
Past paper questions
KLB
Maths Bk2
Pg.333
13

END TERM EXAM

14

MARKING AND CLOSURE OF SCHOOL


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