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SCHEME OF WORK
Mathematics
Form 2 2025
TERM I
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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1 1
Cube and cube roots
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
KLB Mathematics
Book Two
Pg 1      discovering secondary pg 1
1 2
Cube and cube roots
Use of tables to find cubes
Cube roots using factor method
By the end of the lesson, the learner should be able to:
Use tables to find the cube of numbers
Find cube roots using factor method
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 1-2          discovering secondary pg 2
1 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
1 4-5
Reciprocals
Indices and Logarithms
Reciprocal of number from tables
Indices
Negative indices
By the end of the lesson, the learner should be able to:

Find reciprocal of numbers from the table
State the laws of indices
Find the negative indices

Defining
Discussions
Solving problem
Explaining
Sets
Books
Videos
Charts
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 5-6      discovering secondary pg 7
KLB Mathematics
Book Two
Pg 7-8           discovering secondary pg  10
1 6
Indices and Logarithms
Fractional indices
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
1 7
Indices and Logarithms
Logarithms
By the end of the lesson, the learner should be able to:

Write numbers in logarithms and vice versa
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 13-15      discovering secondary pg 15
2 1
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
Read from the table logarithms of numbers
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
Sets
KLB Mathematics
Book Two
Pg 15    discovering secondary pg  13
2 2
Indices and Logarithms
Logarithms of positive numbers less than 1
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
2 3
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
2 4-5
Indices and Logarithms
Applications of logarithms
Roots
By the end of the lesson, the learner should be able to:
Use multiplication and division law of indices to find logarithms
Use log tables to find roots of numbers

Find logarithms of root numbers 2
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 20-22    discovering secondary pg  18
KLB Mathematics
Book Two
Pg 25    discovering secondary pg21
2 6
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
2 7
Gradient and equations of straight lines
Gradient
By the end of the lesson, the learner should be able to:

State the type of gradient
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 30-32     discovering secondary pg 23
3 1
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
Find linear equations in the form y=mx+c
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 34    discovering secondary pg 25
3 2
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
3 3
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
3 4-5
Gradient and equations of straight lines
Reflection and congruence
Perpendicular lines
Parallel lines
Symmetry
By the end of the lesson, the learner should be able to:
Determine the equation of perpendicular lines
Determine the equation of parallel lines

Find the lines of symmetry of shapes
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 41-42      discovering secondary pg 30
KLB Mathematics
Book Two
Pg 46-47   Discovering secondary pg 32
3 6
Reflection and congruence
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
KLB Mathematics
Book Two
Pg 48-50  Discovering secondary pg 33
3 7
Reflection and congruence
Some general deductions using reflection
Some general deductions using reflection
By the end of the lesson, the learner should be able to:
Prove that vertically opposite angles are equal
Deduce some general rules of reflection
Defining
Discussions
Solving problem
Explaining
Sets
Books
Videos
Charts
Apparatus
KLB Mathematics
Book Two
Pg 56-57  Discovering secondary pg  34
4 1
Reflection and congruence
Congruence
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
4 2
Reflection and congruence
Congruent triangles
By the end of the lesson, the learner should be able to:

State the conditions that satisfy congruent triangles
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 63-64  Discovering secondary pg 39
4 3
Reflection and congruence
Congruent triangles
The ambiguous case
By the end of the lesson, the learner should be able to:
Determine the congruent triangles
Determine the two angles that are congruent
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 65-66   Discovering secondary pg 40
4 4-5
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

Determine the center of rotation
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 71-73  Discovering secondary pg 44
KLB Mathematics
Book Two
Pg 73   Discovering secondary pg  46
4 6
Rotation
Angle of rotation
Rotation in the Cartesian plane
By the end of the lesson, the learner should be able to:
Determine the angle of rotation
Rotate objects about the origin
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 74-75 Discovering secondary pg 46
4 7
Rotation
Rotation in the Cartesian plane
By the end of the lesson, the learner should be able to:
Rotate objects about the 90
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 76  Discovering secondary pg 47
5 1
Rotation
Rotation in the Cartesian plane
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
KLB Mathematics
Book Two
Pg 77   Discovering secondary pg 47
5 2
Rotation
Rotational symmetry of plane figures
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
5 3
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
Determine the relationship between rotation and congruence
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 82-84  Discovering secondary pg  50
5 4-5
Similarity and enlargement
Similar figures
By the end of the lesson, the learner should be able to:

Calculate lengths of objects

Use ratio to calculate the lengths of similar figures
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
Sets
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 87-88     Discovering secondary pg 52
KLB Mathematics
Book Two
Pg 88-90    Discovering secondary pg 56
5 6
Similarity and enlargement
Enlargement
Enlarge objects
By the end of the lesson, the learner should be able to:
Enlarge an object
Draw the object and its image under enlargement
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 97  Discovering secondary pg 57
5 7
Similarity and enlargement
Linear scale factor
By the end of the lesson, the learner should be able to:

Determine the linear scale factor
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 100    Discovering secondary pg  54
6 1
Similarity and enlargement
Linear 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 2
Similarity and enlargement
Negative scale factor
Positive and negative linear scale factor
By the end of the lesson, the learner should be able to:
Find the negative scale factor
Solve problems on linear scale factor
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
Sets
KLB Mathematics
Book Two
Pg 104   Discovering secondary pg 59
6 3
Similarity and enlargement
Area 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 4-5
Similarity and enlargement
Area of scale factor
Volume scale factor
Volume scale factor
By the end of the lesson, the learner should be able to:

Use area scale factor to solve problems
Determine the volume scale factor
Use volume scale factor to solve problems
Defining
Discussions
Solving problem
Explaining
Apparatus
Books
Videos
Charts
KLB Mathematics
Book Two
Pg 108   Discovering secondary pg 64
KLB Mathematics
Book Two
Pg 109-110  Discovering secondary pg 64
6 6
Similarity and enlargement
Area and volume scale factor
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
KLB Mathematics
Book Two
Pg 111-112  Discovering secondary pg 64
6 7
Trigonometry 
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
KLB BK2 Pg 120   Discovering secondary pg 67
7 1
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 2
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
Define tangent, sine and cosine ratios from a right angles triangle
Solving problems in real life using the formula A = ?s(s-a)(s-b)(s-c)
Defining what a tangent, Cosine and sine are using a right angled triangle
Mathematical table
Charts illustrating tangent, sine and cosine
KLB BK2 Pg 159    Discovering secondary pg 67
7 3
Trigonometry 
Trigonometric Table
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
KLB BK2 Pg 127, 138, 139   Discovering secondary pg 71
7 4-5
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
Establish the relationship of sine and cosine of complimentary angles
Use the relationship of sine and cosine of complimentary angles in solving problems
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
Using established relationship to solve problems
Solving problems involving the sines and cosines of complimentary angles
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  
KLB BK2 Pg 145
7 6
Trigonometry 
Relationship between tangent, sine and cosine
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
KLB BK2 Pg 145
7 7
Trigonometry 
Trigonometric ratios of special angles 30, 45, 60 and 90
By the end of the lesson, the learner should be able to:
Determine the trigonometric ratios of special angles without using tables
Determining the trigonometric ratios of special angles 30,45,60 and 90 without using tables
Charts showing isosceles right angled triangle Charts illustrating Equilateral triangle
KLB BK2 Pg 146-147
8 1
Trigonometry 
Application of Trigonometric ratios in solving problems
Logarithms of Sines
By the end of the lesson, the learner should be able to:
Solve trigonometric problems without using tables
Read the logarithms of sines
Solving trigonometric problems of special angles
Solving problems by reading logarithm table of sines
Chalkboard
Chalkboard Mathematical tables
KLB BK2 Pg 148
8 2
Trigonometry 
Logarithms of cosines And tangents
By the end of the lesson, the learner should be able to:
Read the logarithm of cosines and tangents from mathematical tables
Reading logarithms of cosine and tangent from mathematical table
Chalkboard Mathematical table
KLB BK2 Pg 150-152
8 3
Trigonometry 
Reading tables of logarithms of sines, cosines and tangents
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
KLB BK2 Pg 149-152
8 4-5
Trigonometry 
Application of trigonometry to real life situations
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:
Solve problems in real life using trigonometry
Calculate the are of a triangle given the base and height
- Derive the formula ? absinc - Using the formula derived in calculating the area of a triangle given two sides and an included angle
Solving problems using trigonometry in real life
Calculating the area of a triangle given the base and height
Deriving the formula ? absinc Using the formula to calculate the area of a triangle given two sides and an included angle
Mathematical table
Chart illustrating worked problem Chalkboard
Charts illustrating a triangle with two sides and an included angle Charts showing derived formula
KLB BK2 Pg 153-154
KLB BK2 Pg 156
8 6
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 7
Trigonometry 
Area of Quadrilateral and Polygons Area of a square, rectangle, rhombus, parallelogram and trapezium
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
KLB BK2 Pg 161-163
9 1
Trigonometry 
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:
Find the area of a kite
Find the area of a regular polygon
Calculating the area of a Kite
Calculating the area of a regular polygon
Model of a kite
Mathematical table Charts illustrating Polygons
KLB BK2 Pg 163
9 2
Trigonometry 
Area of irregular Polygon
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
KLB BK2 Pg 166
9 3
Trigonometry 
Area of part of a circle Area of a sector (minor sector and a major sector)
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
KLB BK 2 Pg 167
9 4-5
Trigonometry 
Defining a segment of a circle Finding the area of a segment of a circle
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:
- Define what a segment of a circle is - Find the area of a segment of a circle
Find the area of common region between two circles given the angles ? Education Plus Agencies
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 segment by first finding the area of a sector less the area of a smaller sector given R and r and angle ?
Calculating the area of a segment
Finding the area of a common region between two intersecting
Chart illustrating 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 BK2 Pg 169-170
KLB BK 2 Pg 176
9 6
Trigonometry 
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:
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
KLB BK 2 Pg 177
9 7
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
Find the surface area of a rectangular based pyramid
Finding the surface area of a square based pyramid
Finding the surface area of a rectangular based pyramid
Models of a square based pyramid
Models of a Rectangular based pyramid
KLB BK 2 Pg 178
10 1
Trigonometry 
Surface area of a cone using the formula A = ?r2 + ?rl
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
KLB BK 2 Pg 181
10 2
Trigonometry 
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 surface area of a frustrum of a cone and pyramid
Finding the surface area of a frustrum of a cone and a pyramid
Models of frustrum of a cone and a pyramid
KLB BK 2 Pg 182
10 3
Trigonometry 
Finding the surface area of a sphere
Surface area of a Hemispheres
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
Find the surface area of a hemisphere
Finding the surface area of a sphere
Finding the surface area of a hemisphere
Models of a sphere Charts illustrating formula for finding the surface area of a sphere
Models of a hemisphere
KLB BK 2 Pg 183
10 4-5
Trigonometry 
Volume of Solids Volume of prism (triangular based prism)
Volume of prism (hexagonal based prism) given the sides and angle
By the end of the lesson, the learner should be able to:
Find the volume of a triangular based prism
Find the volume of a hexagonal based prism
Finding the volume of a triangular based prism
Calculating the volume of an hexagonal prism
Models of a triangular based prism
Models of hexagonal based prism
KLB BK 2 Pg 186
KLB BK 2 Pg 187
10 6
Trigonometry 
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 square based pyramid and rectangular based pyramid
Find the volume of a cone
Finding the surface area of the base Applying the formula V=?x base area x height to get the volume of the pyramids (square and rectangular based)
Finding the volume of a cone
Models of square and Rectangular based Pyramids
Model of a cone
KLB BK 2 Pg 189-190
10 7
Trigonometry 
Volume of a frustrum of a cone
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
KLB BK 2 Pg 192
11 1
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 2
Trigonometry 
Volume of a sphere (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
KLB BK 2 Pg 195 
11 3
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
Use the knowledge of the area of triangles in solving problems in real life situation
Working out the volume of a hemisphere
Solving problems in real life using the knowledge of the area of triangle
Models of hemisphere
Mathematical table Chart illustrating formula used
Macmillan BK 2 Pg 173
11 4-5
Trigonometric Ratios
Tangent of an angle
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

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
Using tangents in calculations
Application of tangents
By the end of the lesson, the learner should be able to:
calculate the size of an angle given two sides and an angle from tables

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
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
The cosine of an angle
By the end of the lesson, the learner should be able to:

find the cosine 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 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
define complementary angles. Work out sines of an angle given the cosine of its complimentary and vice versa
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
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 4-5
Trigonometric Ratios
Application of Special angles
Logarithms of sines, cosines and tangents
Relationship between sin, cos and tan
By the end of the lesson, the learner should be able to:
apply the knowledge of special angles to solve problems

solve problems using logarithms of sines cosines and tangents
relatesin,cosandtanthatistan?=sin?
cos?
Solveproblemsusingtherelationship
Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 119-122
12 6
Trigonometric Ratios
Application to real life situation
By the end of the lesson, the learner should be able to:

apply the knowledge of trigonometry to real life situations
Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables
Protractor
Ruler
Right corners
Mathematical tables
KLB Maths Bk2 Pg. 119-122
12 7
Trigonometric Ratios
Problem solving
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

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