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
Determine the linear scale factor

Defining
Discussions
Solving problem
Explaining

Apparatus
Books
Videos
Charts

KLB Mathematics
Book Two
Pg 97-99  Discovering secondary pg 53

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
Find the negative scale factor

Defining
Discussions
Solving problem
Explaining

Apparatus
Books
Videos
Charts

KLB Mathematics
Book Two
Pg 100-101   Discovering secondary pg 56

Similarity and enlargement

Positive and negative linear scale factor
Area scale factor

By the end of the lesson, the learner should be able to:
Solve problems on linear scale factor
Determine the area scale factor

Defining
Discussions
Solving problem
Explaining

Sets
Books
Videos
Charts
Apparatus

KLB Mathematics
Book Two
Pg 105-106  Discovering secondary pg  60

Similarity and enlargement

Area of 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

Defining
Discussions
Solving problem
Explaining

Apparatus
Books
Videos
Charts

KLB Mathematics
Book Two
Pg 108   Discovering secondary pg 64

Similarity and enlargement

Volume scale factor

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

Use volume scale factor to solve problems

Defining
Discussions
Solving problem
Explaining

Apparatus
Books
Videos
Charts

KLB Mathematics
Book Two
Pg 110-111   Discovering secondary pg 64

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
Derive Pythagoras Theorem

Defining
Discussions
Solving problem
Explaining
Deriving Pythagoras Theorem

Apparatus
Books
Videos
Charts
Chalkboard Charts Illustrating derived theorem

KLB Mathematics
Book Two
Pg 111-112  Discovering secondary pg 64

Trigonometry 

Solutions of problems Using Pythagoras Theorem
Application to real life Situation

By the end of the lesson, the learner should be able to:
Solve problems using Pythagoras Theorem
Use the formula A = ?s(s-a)(s-b)(s-c) to solve problems in real life

Solving problems using Pythagoras theorem
Solving problems in real life using the formula A = ?s(s-a)(s-b)(s-c)

Charts illustrating Pythagoras theorem
Mathematical table

KLB BK2 Pg 121   Discovering secondary pg 67

Trigonometry 

Trigonometry Tangent, sine and cosines
Trigonometric Table

By the end of the lesson, the learner should be able to:
Define tangent, sine and cosine ratios from a right angles triangle
Use trigonometric tables to find the sine, cosine and tangent

Defining what a tangent, Cosine and sine are using a right angled triangle
Reading trigonometric tables of sines, cosines and tangent

Charts illustrating tangent, sine and cosine
Mathematical table

KLB BK2 Pg 123,132,133   Discovering secondary pg   70

Trigonometry 

Angles and sides of a right angled triangle
Establishing Relationship of sine and cosine 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

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

Mathematical table Charts Chalkboard
Chalkboards

KLB BK2 Pg 125, 139, 140  Discovering secondary pg  

Trigonometry 

Sines and cosines of Complimentary angles
Relationship between tangent, sine and cosine

By the end of the lesson, the learner should be able to:
Use the relationship of sine and cosine of complimentary angles in solving problems
Relate the three trigonometric ratios, the sine, cosine and tangent

Solving problems involving the sines and cosines of complimentary angles
Relating the three trigonometric ratios

Chalkboard Charts illustrating the relationship of sines and cosines of complimentary angles
Charts showing the three related trigonometric ratio

KLB BK2 Pg 145

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

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?)
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
Solve problems on the area of a triangle Given three sizes using the formula A = ?s(s-a)(s-b)(s-c)

Deriving the formula ? absinc Using the formula to calculate the area of a triangle given two sides and an included angle
Solving problems on the area of triangle given three sides of a triangle

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

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

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

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

Trigonometry 

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 surface area of a frustrum of a cone and pyramid
Find the surface area of a sphere given the radius of a sphere

Finding the surface area of a frustrum of a cone and a pyramid
Finding the surface area of a sphere

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 182

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
Find the volume of a triangular based prism

Finding the surface area of a hemisphere
Finding the volume of a triangular based prism

Models of a hemisphere
Models of a triangular based prism

KLB BK 2 Pg 184

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
Find the volume of a square based pyramid and rectangular based pyramid

Calculating the volume of an hexagonal prism
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 hexagonal based prism
Models of square and Rectangular based Pyramids

KLB BK 2 Pg 187

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

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

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
Find the volume of a hemisphere

Finding the volume of a Sphere
Working out the volume of a hemisphere

Model of a sphere Mathematical table
Models of hemisphere

KLB BK 2 Pg 195 

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
name the sides of a right-angled triangle as opposite, adjacent and hypotenuse. Find the tangent of an angle by calculation

Solving problems in real life using the knowledge of the area of triangle
Measuring lengths/angles
Dividing numbers
Drawing right angles
Reading mathematical tables

Mathematical table Chart illustrating formula used
Protractor
Ruler
Right corners
Mathematical tables

KLB BK 2 Pg 159

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
calculate the size of an angle given two sides and 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

Application of tangents
The sine of an angle

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

work out further problems using tangents
findthesineofananglebycalculationsandthroughtables

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 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

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
Relationship between sin, cos and tan

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

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

Trigonometric Ratios

Application to real life situation
Problem solving

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

apply the knowledge of trigonometry to real life situations
solveproblemsontrigonometry

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

Protractor
Ruler
Right corners
Mathematical tables

KLB Maths Bk2 Pg. 119-122

Area of A Triangle

Area =
Solve problems involving =

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

derive the formula Area =
solveproblemsinvolvingareaoftrianglesusingtheformulaArea=

Discussions
Drawing triangles
Measuring lengths/angles
Calculating area

Protractor
Ruler
Right corners
Mathematical tables

KLB Maths Bk2 Pg. 155-157

Area of A Triangle

A =?s(s-a) (s-b) (s-c)

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

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

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

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

Common region between two circles
Problem solving

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

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

Drawing circles
Measuring radii/diameters
Measuring angles
Calculating the area of a circle
Discussions

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

KLB Maths Bk2 Pg. 167-169

Surface Area of Solids

Surface area of prisms
Surface area of pyramid

By the end of the lesson, the learner should be able to:
find the surface area of a prism.

find the surface area of a pyramid

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

Prism Chalkboard illustrations
Pyramids with square base, rectangular base, triangular base

KLB Maths Bk2 Pg. 177

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

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

find the volume of a prism

Identifying prisms
Identifying the cross-sectional area
Drawing/sketching prisms

Prism

KLB Maths Bk2 Pg. 186-188

Volume of Solids

Volume of pyramid
Volume of a cone

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

find the volume of a pyramid
findthevolumeofacone

Drawing pyramids
Making pyramids
Opening pyramids to
form nets
Discussions
Making cones/frustums
Opening cones/frustums
to form nets

Pyramid
Cone

KLB Maths Bk2 Pg. 189-190

Volume of Solids

Volume of a sphere
Volume of frustrum

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

find the volume of a sphere
findthevolumeofafrustrumwithacircularbase

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

Sphere
Frustrum with circular base

KLB Maths Bk2 Pg. 195

Volume of Solids

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 square base
findthevolumeofafrustrumwitharectangularbase

Making cones/frustums
Opening cones/frustums
to form nets

Frustrum with square base
Frustrum with rectangular base

KLB Maths Bk2 Pg. 192-193

Volume of Solids

Application to real life situation
Problem solving

By the end of the lesson, the learner should be able to:
apply the knowledge of volume of solids to real life situations.

solve problems on volume of solids

Making cones/frustums
Opening cones/frustums
to form nets

Models of pyramids, prism, cones and spheres
Past paper questions

KLB Maths Bk2 Pg. 193-194

Quadratic Expressions and Equations

Expansion of Algebraic Expressions

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

Discussions
Multiplying numbers
Dividing numbers
Adding numbers
Subtracting numbers
Exercises

Real-life experiences
Worked out
expressions

KLB Maths Bk2 Pg. 203

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
identify and use 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

Factorise the Identities
Factorise other quadratic expressions

By the end of the lesson, the learner should be able to:
factorise the identities
factorise quadratic expressions

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

Quadratic Expressions and Equations

Factorisation of expressions of the form k2-9y2
Simplification of an expression by factorisation

By the end of the lesson, the learner should be able to:
factorise a difference of two squares
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

Quadratic Expressions and Equations

Solving quadratic equations
The formation of quadratic equations

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

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

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
solve problems on quadratic equations

Discussions
Multiplying numbers
Dividing numbers
Adding numbers
Subtracting numbers
Exercises

Real-life experiences
Worked out
expressions

KLB Maths Bk2 Pg. 208-210

Quadratic Expressions and Equations

Forming quadratic equations from the roots

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

KLB Maths Bk2 Pg. 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