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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

Revision of previous term exams

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
Reciprocals
Cube roots using factor method
Reciprocal of numbers by division
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
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 4
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 5
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 6
Indices and Logarithms
Standard form
Powers of 10 and common logarithms
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
Sets
KLB Mathematics
Book Two
Pg 15    discovering secondary pg  13
2 7
Indices and Logarithms
Logarithms of positive numbers less than 1
Antilogarithms
By the end of the lesson, the learner should be able to:

Find the logarithms of positive numbers less than 1
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 18    discovering secondary pg  15
3 1
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 2
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

Opener examinations

4 1
Gradient and equations of straight lines
Gradient
By the end of the lesson, the learner should be able to:

Find gradient of straight line
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 27-29     discovering secondary pg23
4 2
Gradient and equations of straight lines
Equation of a line
Linear equation y=mx+c
By the end of the lesson, the learner should be able to:

Find equation of a line passing through two points
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 34    discovering secondary pg 25
4 3
Gradient and equations of straight lines
The y-intercept
By the end of the lesson, the learner should be able to:

Find the y-intercept
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 36-37     Discovering secondary pg 27
4 4
Gradient and equations of straight lines
The graph of a straight line
Perpendicular lines
By the end of the lesson, the learner should be able to:

Draw the graph of a straight line
Sets
Books
Videos
Charts
Apparatus
KLB Mathematics
Book  Pg39-40                  discovering secondary pg 29
4 5
Gradient and equations of straight lines
Reflection and congruence
Parallel lines
Symmetry
By the end of the lesson, the learner should be able to:

Determine the equation of parallel lines
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 43-44    discovering secondary pg 29
4 6
Reflection and congruence
Reflection
Some general deductions using reflection
By the end of the lesson, the learner should be able to:

Draw an image under reflection
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
Sets
KLB Mathematics
Book Two
Pg 48-50  Discovering secondary pg 33
4 7
Reflection and congruence
Some general deductions using reflection
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
5 1
Reflection and congruence
Congruence
Congruent triangles
By the end of the lesson, the learner should be able to:

Determine shapes that are congruent
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 61-62  Discovering secondary pg 39
5 2
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
5 3
Rotation
Introduction
Centre 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
5 4
Rotation
Angle of rotation
By the end of the lesson, the learner should be able to:

Determine the angle of rotation
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 74-75 Discovering secondary pg 46
5 5
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
KLB Mathematics
Book Two
Pg 75   Discovering secondary pg 47
5 6
Rotation
Rotation in the Cartesian plane
Rotational symmetry of plane figures
By the end of the lesson, the learner should be able to:
Rotate objects about the +180
Defining
Discussions
Solving problem
Explaining
Sets
Books
Videos
Charts
Apparatus
KLB Mathematics
Book Two
Pg 77   Discovering secondary pg 47
5 7
Rotation
Rotational symmetry of solids
Rotation and congruence
By the end of the lesson, the learner should be able to:

Determine the lines of symmetry of solids
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 82-84  Discovering secondary pg  50
6 1
Similarity and enlargement
Similar figures
By the end of the lesson, the learner should be able to:

Calculate lengths of objects
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 87-88     Discovering secondary pg 52
6 2
Similarity and enlargement
Similar figures
Enlargement
By the end of the lesson, the learner should be able to:

Use ratio to calculate the lengths of similar figures
Defining
Discussions
Solving problem
Explaining
Sets
Books
Videos
Charts
Apparatus
KLB Mathematics
Book Two
Pg 88-90    Discovering secondary pg 56
6 3
Similarity and enlargement
Enlarge objects
Linear scale factor
By the end of the lesson, the learner should be able to:

Draw the object and its image under enlargement
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 97-99  Discovering secondary pg 53
6 4
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
6 5
Similarity and enlargement
Positive and negative linear 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
KLB Mathematics
Book Two
Pg 105-106  Discovering secondary pg  60
6 6
Similarity and enlargement
Area scale factor
Area of scale factor
By the end of the lesson, the learner should be able to:

Determine the area scale factor
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 106-107  Discovering secondary pg  62
6 7
Similarity and enlargement
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
7 1
Similarity and enlargement
Trigonometry 
Area and volume scale factor
Pythagoras Theorem
By the end of the lesson, the learner should be able to:

Solve problems on area and volume scale factor
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
Chalkboard Charts Illustrating derived theorem
KLB Mathematics
Book Two
Pg 111-112  Discovering secondary pg 64
7 2
Trigonometry 
Solutions of problems Using Pythagoras Theorem
By the end of the lesson, the learner should be able to:
Solve problems using Pythagoras Theorem
Solving problems using Pythagoras theorem
Charts illustrating Pythagoras theorem
KLB BK2 Pg 121   Discovering secondary pg 67
7 3
Trigonometry 
Application to real life Situation
Trigonometry Tangent, sine and cosines
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
7 4
Trigonometry 
Trigonometric Table
Angles and sides of a right angled triangle
By the end of the lesson, the learner should be able to:
Use trigonometric tables to find the sine, cosine and tangent
Reading trigonometric tables of sines, cosines and tangent
Mathematical table
Mathematical table Charts Chalkboard
KLB BK2 Pg 127, 138, 139   Discovering secondary pg 71
7 5
Trigonometry 
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:
Establish the relationship of sine and cosine of complimentary angles
Using established relationship to solve problems
Chalkboards
Chalkboard Charts illustrating the relationship of sines and cosines of complimentary angles
KLB BK2 Pg 145
7 6
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
7 7
Trigonometry 
Application of Trigonometric ratios in solving problems
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
KLB BK2 Pg 148
8 1
Trigonometry 
Logarithms of Sines
Logarithms of cosines And tangents
By the end of the lesson, the learner should be able to:
Read the logarithms of sines
Solving problems by reading logarithm table of sines
Chalkboard Mathematical tables
Chalkboard Mathematical table
KLB BK2 Pg 149
8 2
Trigonometry 
Reading tables of logarithms of sines, cosines and tangents
Application of trigonometry to real life situations
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
KLB BK2 Pg 149-152
8 3
Trigonometry 
Area of a triangle Area of a triangle given the base and height (A = ? bh)
Area of a triangle using the formula (A = ? absin?)
By the end of the lesson, the learner should be able to:
Calculate the are of a triangle given the base and height
Calculating the area of a triangle given the base and height
Chart illustrating worked problem Chalkboard
Charts illustrating a triangle with two sides and an included angle Charts showing derived formula
KLB BK2 Pg 155
8 4
Trigonometry 
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:
Solve problems on the area of a triangle Given three sizes using the formula A = ?s(s-a)(s-b)(s-c)
Solving problems on the area of triangle given three sides of a triangle
Charts illustrating a triangle with three sides Charts illustrating a worked example i.e. mathematical table
KLB BK2 Pg 157-158
8 5
Trigonometry 
Area of Quadrilateral and Polygons Area of a square, rectangle, rhombus, parallelogram and trapezium
Area of a kite
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
KLB BK2 Pg 161-163
8 6
Trigonometry 
Area of other polygons (regular polygon) e.g. Pentagon
Area of irregular Polygon
By the end of the lesson, the learner should be able to:
Find the area of a regular polygon
Calculating the area of a regular polygon
Mathematical table Charts illustrating Polygons
Charts illustrating various irregular polygons Polygonal shapes
KLB BK2 Pg 164
8 7
Trigonometry 
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 a sector given the angle and the radius of a minor sector Calculate the area of a major sector of a circle
Finding the area of a minor and a major sector of a circle
Charts illustrating sectors
Chart illustrating a Segment
KLB BK 2 Pg 167
9

MIDTERM EXAM/BREAK

10 1
Trigonometry 
Area of a common region between two circles given the angles and the radii
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
KLB BK 2 Pg 175
10 2
Trigonometry 
Area of a common region between two circles given only the radii of the two circles and a common chord
Surface area of solids Surface area of prisms Cylinder (ii) Triangular prism (iii) Hexagonal prism
By the end of the lesson, the learner should be able to:
Calculate the area of common region between two circle given the radii of the two intersecting circles and the length of a common chord of the two circles
Finding the area of a common region between two intersecting
Charts illustrating common region between two intersecting circles
Models of cylinder, triangular and hexagonal prisms
KLB BK 2 Pg 176
10 3
Trigonometry 
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:
Find the total surface area of a square based pyramid
Finding the surface area of a square based pyramid
Models of a square based pyramid
Models of a Rectangular based pyramid
KLB BK 2 Pg 178
10 4
Trigonometry 
Surface area of a cone using the formula A = ?r2 + ?rl
Surface area of a frustrum of a cone and a pyramid
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
KLB BK 2 Pg 181
10 5
Trigonometry 
Finding the surface area of a sphere
By the end of the lesson, the learner should be able to:
Find the surface area of a sphere given the radius of a sphere
Finding the surface area of a sphere
Models of a sphere Charts illustrating formula for finding the surface area of a sphere
KLB BK 2 Pg 183
10 6
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
10 7
Trigonometry 
Volume of prism (hexagonal based prism) given the sides and angle
Volume of a pyramid (square based and rectangular based)
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
KLB BK 2 Pg 187
11 1
Trigonometry 
Volume of a cone
Volume of a frustrum of a cone
By the end of the lesson, the learner should be able to:
Find the volume of a cone
Finding the volume of a cone
Model of a cone
Models of a frustrum of a cone
KLB BK 2 Pg 191
11 2
Trigonometry 
Volume of a frustrum of a pyramid
By the end of the lesson, the learner should be able to:
Find the volume of a frustrum of a Pyramid
Finding volume of a full pyramid Finding volume of cutoff pyramid Find volume of the remaining fig (frustrum) by subtracting i.e. Vf = (V ? v)
Models of frustrum of a pyramid
KLB BK 2 Pg 194
11 3
Trigonometry 
Volume of a sphere (v = 4/3?r3)
Volume of a Hemisphere {(v = ? (4/3?r3)}
By the end of the lesson, the learner should be able to:
Find the volume of sphere given the radius of the sphere
Finding the volume of a Sphere
Model of a sphere Mathematical table
Models of hemisphere
KLB BK 2 Pg 195 
11 4
Trigonometry 
Trigonometric Ratios
Application of area of triangles to real life
Tangent of an angle
By the end of the lesson, the learner should be able to:
Use the knowledge of the area of triangles in solving problems in real life situation
Solving problems in real life using the knowledge of the area of triangle
Mathematical table Chart illustrating formula used
Protractor
Ruler
Right corners
Mathematical tables
KLB BK 2 Pg 159
11 5
Trigonometric Ratios
Tangent of an angle
Using tangents in calculations
By the end of the lesson, the learner should be able to:

find the tangent of an angle from tables
Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 119-122
11 6
Trigonometric Ratios
Application of tangents
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
11 7
Trigonometric Ratios
The sine of an angle
The cosine of an angle
By the end of the lesson, the learner should be able to:

find the sine of an angle by calculations and through tables
Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 119-122
12 1
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
12 2
Trigonometric Ratios
Special angles
Application of Special angles
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
12 3
Trigonometric Ratios
Logarithms of sines, cosines and tangents
By the end of the lesson, the learner should be able to:

solve problems using logarithms of sines cosines and tangents
Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 119-122
12 4
Trigonometric Ratios
Relationship between sin, cos and tan
Application to real life situation
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
12 5
Trigonometric Ratios
Area of A Triangle
Problem solving
Area =
By the end of the lesson, the learner should be able to:

solve problems on trigonometry
Problem solving
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 119-122
12 6
Area of A Triangle
Solve problems involving =
A =?s(s-a) (s-b) (s-c)
By the end of the lesson, the learner should be able to:

solve problems involving area of triangles using the formula Area =
Discussions
Drawing triangles
Measuring lengths/angles
Calculating area
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 155-157
12 7
Area of A Triangle
Problem solving
By the end of the lesson, the learner should be able to:

solve problems on area of a triangle given the three sides
Discussions
Drawing triangles
Measuring lengths/angles
Calculating area
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 155-157
13-14

END OF TERM EXAMINATIONS


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