Trigonometry 

Pythagoras Theorem
Solutions of problems Using Pythagoras Theorem

By the end of the lesson, the learner should be able to:
Derive Pythagoras Theorem
Solve problems using Pythagoras Theorem

Deriving Pythagoras Theorem
Solving problems using Pythagoras theorem

Chalkboard Charts Illustrating derived theorem
Charts illustrating Pythagoras theorem

KLB BK2 Pg 120   Discovering secondary pg 67

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

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
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

Reading trigonometric tables of sines, cosines and tangent
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
Mathematical table Charts Chalkboard

KLB BK2 Pg 127, 138, 139   Discovering secondary pg 71

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
Use the relationship of sine and cosine of complimentary angles in solving problems

Using established relationship to solve problems
Solving problems involving the sines and cosines of complimentary angles

Chalkboards
Chalkboard Charts illustrating the relationship of sines and cosines of complimentary angles

KLB BK2 Pg 145

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
Determine the trigonometric ratios of special angles without using tables

Relating the three trigonometric ratios
Determining the trigonometric ratios of special angles 30,45,60 and 90 without using tables

Charts showing the three related trigonometric ratio
Charts showing isosceles right angled triangle Charts illustrating Equilateral triangle

KLB BK2 Pg 145

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

Trigonometry 

Logarithms of cosines And tangents
Reading tables of logarithms of sines, 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
Read the logarithms of sines, cosines and tangents from tables

Reading logarithms of cosine and tangent from mathematical table
Solving problems through reading the table of logarithm of sines, cosines and tangents

Chalkboard Mathematical table

KLB BK2 Pg 150-152

Trigonometry 

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:
Solve problems in real life using trigonometry
Calculate the are of a triangle given the base and height

Solving problems using trigonometry in real life
Calculating the area of a triangle given the base and height

Mathematical table
Chart illustrating worked problem Chalkboard

KLB BK2 Pg 153-154

Trigonometry 

Area of a triangle using the formula (A = ? absin?)

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

KLB BK2 Pg 156

Trigonometry 

Area of a triangle using the formula A = ?s(s-a)(s-b)(s-c)
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:
Solve problems on the area of a triangle Given three sizes using the formula A = ?s(s-a)(s-b)(s-c)
Calculate the are of a triangle, square, rectangle, rhombus, parallelogram and trapezium

Solving problems on the area of triangle given three sides of a triangle
Calculating the area of a triangle, square, rectangle, rhombus, parallelogram and trapezium

Charts illustrating a triangle with three sides Charts illustrating a worked example i.e. mathematical table
Charts illustrating formula used in calculating the areas of the quadrilateral

KLB BK2 Pg 157-158

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

Trigonometry 

Area of irregular Polygon
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 irregular polygons
- 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 irregular polygons
Finding the area of a minor and a major sector of a circle

Charts illustrating various irregular polygons Polygonal shapes
Charts illustrating sectors

KLB BK2 Pg 166

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

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

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

Chart illustrating a Segment
Charts illustrating common region between the circles Use of a mathematical table during calculation

KLB BK2 Pg 169-170

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
Define prism and hence be in a position of calculating the surface area of some prisms like cylinder, triangular prism and hexagonal prism

Finding the area of a common region between two intersecting
Defining a prism Calculating the surface area of the prisms

Charts illustrating common region between two intersecting circles
Models of cylinder, triangular and hexagonal prisms

KLB BK 2 Pg 176

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

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
Find the surface area of a frustrum of a cone and pyramid

Finding the area of the circular part Finding the area of the curved part Getting the total surface Area
Finding the surface area of a frustrum of a cone and a pyramid

Models of a cone
Models of frustrum of a cone and a pyramid

KLB BK 2 Pg 181

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

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

Trigonometry 

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 square based pyramid and rectangular based pyramid

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)

Models of square and Rectangular based Pyramids

KLB BK 2 Pg 189-190

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
Find the volume of a frustrum of a cone

Finding the volume of a cone
Finding the volume of a full cone before its cutoff Finding the volume of a cut cone then subtracting

Model of a cone
Models of a frustrum of a cone

KLB BK 2 Pg 191

Trigonometry 

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 Pyramid
Find the volume of sphere given the radius of the sphere

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)
Finding the volume of a Sphere

Models of frustrum of a pyramid
Model of a sphere Mathematical table

KLB BK 2 Pg 194

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

Trigonometric Ratios

Tangent of an angle
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

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

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
findthecosineofananglebycalculationsandthroughtables

Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables

Protractor
Ruler
Right corners
Mathematical tables

KLB Maths Bk2 Pg. 119-122

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

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
apply the knowledge of special angles to solve problems

Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables
Measuring lengths/angles

Protractor
Ruler
Right corners
Mathematical tables

KLB Maths Bk2 Pg. 119-122

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

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
applytheknowledgeoftrigonometrytoreallifesituations

Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables

Protractor
Ruler
Right corners
Mathematical tables

KLB Maths Bk2 Pg. 119-122

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
derivetheformulaArea=

Problem solving
Discussions
Drawing triangles
Measuring lengths/angles
Calculating area

Protractor
Ruler
Right corners
Mathematical tables

KLB Maths Bk2 Pg. 119-122

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 =
find the 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

Area of A Triangle
Area of Quadrilaterals

Problem solving
Area of parallelogram

By the end of the lesson, the learner should be able to:

solve problems on area of a triangle given the three sides
findtheareaofquadrilateralsliketrapeziums,parallelogrametc.bydividingtheshapeoftriangles

Discussions
Drawing triangles
Measuring lengths/angles
Calculating area
Drawing trapeziums/polygons
Reading mathematical tables

Protractor
Ruler
Right corners
Mathematical tables
Parallelograms
Trapeziums
Polygons
Squares/rectangles

KLB Maths Bk2 Pg. 155-157

Area of Quadrilaterals

Area of Rhombus
Area of trapezium and kite

By the end of the lesson, the learner should be able to:

find the area of a regular polygon.
solveproblemsontheareaofaregularpolygon

Drawing trapeziums/polygons
Measuring lengths/angles
Reading mathematical tables
Discussions

Parallelograms
Trapeziums
Polygons
Squares/rectangles
Mathematical tables

KLB Maths Bk2 Pg. 161

Area of Quadrilaterals

Area of regular polygons
Problem solving

By the end of the lesson, the learner should be able to:
find the area of a regular polygon by using the formula A=

solve problems on area of quadrilaterals and other polygons

Drawing trapeziums/polygons
Measuring lengths/angles
Reading mathematical tables
Discussions
Learners solve problems

Parallelograms
Trapeziums
Polygons
Squares/rectangles
Mathematical tables Chalkboard illustrations
Mathematical tables

KLB Maths Bk2 Pg. 119-122

Area of Part of a Circle

Area of a sector
Area of a segment

By the end of the lesson, the learner should be able to:

find area of a sector
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 sector
Chart illustrating the area of a minor segment

KLB Maths Bk2 Pg. 167-169

Area of Part of a Circle

Common region between two circles
Common region between two circles

By the end of the lesson, the learner should be able to:
find the area of the common region between two circles.

find the area of the common region between two circles and solve problems related to that

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

Area of Part of a Circle
Surface Area of Solids

Problem solving
Surface area of prisms

By the end of the lesson, the learner should be able to:

solve problems involving the area of part of a circle
find the surface area of a prism.

Drawing circles
Measuring radii/diameters
Measuring angles
Calculating the area of a circle
Discussions
Drawing prisms
Measuring lengths
Opening prisms to form
nets
Calculating area

Circles
Chart illustrating the area of a minor segment Chalkboard illustrations
Prism Chalkboard illustrations

KLB Maths Bk2 Pg. 167-169

Surface Area of Solids

Surface area of pyramid

By the end of the lesson, the learner should be able to:

find the surface area of a pyramid

Drawing pyramids
Measuring lengths/
angles
Opening pyramids to
form nets
Discussions
Calculating area

Pyramids with square base, rectangular base, triangular base

KLB Maths Bk2 Pg. 178

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
findthesurfaceareaoffrustrumwithcircularbase

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

Surface Area of Solids

Surface area of frustrum with square base
Surface area of frustrum with rectangular base

By the end of the lesson, the learner should be able to:

find the surface area of frustrum with square base
findthesurfaceareaoffrustrumwithrectangularbase

Drawing cones/frustums
Making cones/frustums
Measuring lengths/
angles
Discussions Learners find the surface area
Discussions

Chart illustrating frustrum with a square base
Chart illustrating frustrum with a rectangular base

KLB Maths Bk2 Pg. 181-183

Surface Area of Solids

Surface area of spheres
Problem solving

By the end of the lesson, the learner should be able to:

find the surface area of a sphere
solveproblemsonsurfaceareaofsolids

Sketching spheres
Making spheres
Measuring diameters/
radii of spheres
Discussions
Learners solve problems

Chalkboard illustrations
Past paper questions

KLB Maths Bk2 Pg. 183

Volume of Solids

Volume of prism
Volume of pyramid

By the end of the lesson, the learner should be able to:

find the volume of a prism
findthevolumeofapyramid

Identifying prisms
Identifying the cross-sectional area
Drawing/sketching prisms
Drawing pyramids
Making pyramids
Opening pyramids to
form nets
Discussions

Prism
Pyramid

KLB Maths Bk2 Pg. 186-188

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
findthevolumeofasphere

Making cones/frustums
Opening cones/frustums
to form nets
Identifying spheres
Sketching spheres
Measuring radii/
diameters
Discussions

Cone
Sphere

KLB Maths Bk2 Pg. 191

Volume of Solids

Volume of frustrum
Volume of frustrum with a square base

By the end of the lesson, the learner should be able to:

find the volume of a frustrum with a circular base
findthevolumeofafrustrumwithasquarebase

Making cones/frustums
Opening cones/frustums
to form nets

Frustrum with circular base
Frustrum with square base

KLB Maths Bk2 Pg. 192-193

Volume of Solids

Volume of frustrum with a rectangular base
Application to real life situation

By the end of the lesson, the learner should be able to:

find the volume of a frustrum with a rectangular base
apply the knowledge of volume of solids to real life situations.

Making cones/frustums
Opening cones/frustums
to form nets

Frustrum with rectangular base
Models of pyramids, prism, cones and spheres

KLB Maths Bk2 Pg. 192-193

Volume of Solids
Quadratic Expressions and Equations

Problem solving
Expansion of Algebraic Expressions

By the end of the lesson, the learner should be able to:

solve problems on volume of solids
expand algebraic expressions

Making cones/frustums
Opening cones/frustums
to form nets
Discussions
Multiplying numbers
Dividing numbers
Adding numbers
Subtracting numbers
Exercises

Past paper questions
Real-life experiences
Worked out
expressions

KLB Maths Bk2 Pg. 196

Quadratic Expressions and Equations

Quadratic 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

Quadratic Expressions and Equations

Application of identities
Factorise the Identities

By the end of the lesson, the learner should be able to:
identify and use the three Algebraic identities
factorise the identities

Discussions
Multiplying numbers
Dividing numbers
Adding numbers
Subtracting numbers
Exercises

Real-life experiences
Worked out
expressions

KLB Maths Bk2 Pg. 204-205

Quadratic Expressions and Equations

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 quadratic expressions
factorise a difference of two squares

Discussions
Multiplying numbers
Dividing numbers
Adding numbers
Subtracting numbers
Exercises

Chart illustrating factorization of a quadratic expression
Real-life experiences
Worked out
expressions

KLB Maths Bk2 Pg. 119-122

Quadratic Expressions and Equations

Simplification of an expression by factorisation
Solving quadratic equations

By the end of the lesson, the learner should be able to:
simplify a quadratic expression by factorisation
solve quadratic equations

Discussions
Multiplying numbers
Dividing numbers
Adding numbers
Subtracting numbers
Exercises

Real-life experiences
Worked out
expressions

KLB Maths Bk2 Pg. 205-208

Quadratic Expressions and Equations

The formation of quadratic equations
Formation and solving of quadratic equations from word problems

By the end of the lesson, the learner should be able to:
form quadratic equations from information
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

Quadratic Expressions and Equations

Solving on quadratic equations
Forming quadratic equations from the roots

By the end of the lesson, the learner should be able to:
solve problems on quadratic equations
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

KLB Maths Bk2 Pg. 208-210

Linear Inequalities

Inequalities symbols
Number line

By the end of the lesson, the learner should be able to:
identify and use inequality symbols
illustrate inequalities on a number line

Drawing graphs of
inequalities
Determining the scale of a graph
Shading unwanted regions
Discussions

Number lines
Graph papers
Square boards
Negative and positive numbers
Negative and positive
numbers

KLB Maths Bk2 Pg. 213-224

Linear Inequalities

Inequalities in one unknown
Graphical representation

By the end of the lesson, the learner should be able to:
solve linear inequalities in one unknown and state the integral values
represent linear inequalities in one unknown 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
Number lines Graph papers

KLB Maths Bk2 Pg. 213-224

Linear Inequalities

Graphical solutions of simultaneous linear inequalities
Graphical solutions of simultaneous linear inequalities

By the end of the lesson, the learner should be able to:
solve the linear inequalities in two unknowns graphically
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

Linear Inequalities

Area of the wanted region
Inequalities from inequality graphs

By the end of the lesson, the learner should be able to:
calculate the area of the wanted region
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

KLB Maths Bk2 Pg. 213-224

Linear Inequalities

Problem solving.

By the end of the lesson, the learner should be able to:
solve problems on linear inequalities

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

Linear Motion

Displacement, velocity, speed and acceleration
Distinguishing terms

By the end of the lesson, the learner should be able to:
Define displacement, speed velocity and acceleration
distinguish between distance and displacement, speed and velocity

Teacher/pupil discussion
Plotting graphs
Drawing graphs

Graph papers
Stones
Pieces of paper

KLB Maths Bk2 Pg. 228-238

Linear Motion

Distinguishing velocity and acceleration
Distance time graphs

By the end of the lesson, the learner should be able to:
determine velocity and acceleration

plot and draw the distance time graphs

Learners determine velocity and acceleration
Plotting graphs
Drawing graphs

Graph papers
Stones
Pieces of paper

KLB Maths Bk2 Pg. 228-238

Linear Motion

Interpret the velocity time graph
Interpreting graphs

By the end of the lesson, the learner should be able to:
interpret a velocity time graph
interpret graphs of linear motion

Learners interpret a velocity time graph
Learners interpret graphs

Drawn graphs

KLB
Maths Bk2
Pg.333

Linear Motion

Relative speed (objects moving in the same direction)
Problem solving

By the end of the lesson, the learner should be able to:

solve problems on objects moving in different directions
solveproblemsonlinearmotion

Teacher/pupil discussion
Question answer method

Real life situation
Chalkboard illustrations
Past paper questions

KLB
Maths Bk2
Pg.329

Angle Properties of a Circle

Arc chord segment
Angles subtended by the same arc in the same segment

By the end of the lesson, the learner should be able to:
identify an arc, chord and segment

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
Measuring radii/diameters/angles
Identifying the parts of a circle

Chart illustrating arc chord and segment
Chart illustrating Angles subtended by the same arc in same segment are equal

KLB Maths Bk2 Pg. 264-278

Angle Properties of a Circle

Angle at the centre and at the circumference
Angles subtended by the diameter at the circumference

By the end of the lesson, the learner should be able to:

relate and compute angle subtended by an arc of a centre and at the circumference
statetheangleinthesemi-circle

Discussions
Drawing circles
Measuring radii/diameters/angles
Identifying the parts of a circle

Chart illustrating Angles subtended at the centre by an arc and one subtended at the circumference
Circles showing the
different parts

KLB Maths Bk2 Pg. 264-278

Angle Properties of a Circle

Cyclic quadrilateral
Cyclic quadrilateral

By the end of the lesson, the learner should be able to:

state the angle properties of a cyclic quadrilateral
findandcomputeanglesofacyclicquadrilateral

Discussions
Drawing circles
Measuring radii/diameters/angles
Identifying the parts of a circle

Circles showing the
different parts

KLB Maths Bk2 Pg. 264-278

Angle Properties of a Circle

Exterior angle property
Problem solving

By the end of the lesson, the learner should be able to:

apply the exterior angle property
solveproblemsonanglepropertiesofacircle

Discussions
Drawing circles
Measuring radii/diameters/angles
Identifying the parts of a circle

Circles showing the
different parts
different parts Past paper questions

KLB Maths Bk2 Pg. 264-278

Angle Properties of a Circle

Problem solving

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

KLB Maths Bk2 Pg. 264-278