# MATHEMATICS WEEK 1 – 12 LESSON TOPICS FIRST TERM JSS2

WEEK: ONE
TOPIC/CONTENTS:

LARGE AND SMALL NUMBERS
i. Practical representation of numbers using
a. words only
b. digits only
c. mixture of digits and words ii. Identification of small numbers/fractions
iii. Place value of digits.

ACTIVITIES:

Students:

2. Write numbers using mixture of digitsand words
3. Read newspaper articles involvinglarge numbers.

Instructional Resources:

Flash cards, chart showing place values of digits of a given large and small number.

WEEK: TWO
TOPIC/CONTENTS:

STANDARD FORM OF NUMBERS
i. Expressing whole numbers in standard form
ii. Expressing decimal numbers in standard form.
iii. Quantitative reasoning (QR) involving standard form

ACTIVITIES:

Students:

a. Express whole numbers in standard form b. Express decimal fractions in standard form c. Change numbers given in standard form to ordinary form.
Instructional Resources:
Cut-out of newspaper articles involving large and small numbers written in standard form.

WEEK: THREE
TOPIC/CONTENTS:

APPROXIMATION

i. Approximation to a required degree of accuracy: tens, hundred, tenth etc.
ii. Approximation to decimal places

iii. Approximation to significant figures.
iv. Quantitative Reasoning involving approximation

ACTIVITIES:

Students:

1. Round off numbers to required degree of accuracy.
2. Round off numbers to 1 d.p, 2 d.p, 3 d.p.
3. Round off numbers to significant figures.

Instructional Resources:

Rounding off number chart.

WEEK: FOUR
TOPIC/CONTENTS:

FACTORS AND MULTIPLES

i. Factors of numbers
ii. Prime factors of numbers not greater than 200
iii. Expressing numbers as product of its prime factors
iv. Rules of divisibility
v. H.C.F of numbers.

ACTIVITIES:

Students:

i. Express numbers as product of prime factors.
ii. Find prime factors of numbers
iii. Find the H.C.F of a set of given whole numbers.

Instructional Resources:

Multiplication tables/chart.

WEEK: FIVE
TOPIC/CONTENTS:

FACTORS AND MULTIPLES

i. Multiples of numbers
ii. Common multiples and LCM

iii. Squares and square roots iv. finding square roots of numbers by factors.

ACTIVITIES:

Students:

a. Writecommonmultiplesofgiven numbers

b. Identifyperfectsquares
c. Find square roots of perfect squares

by factor method

Instructional Resources:

Multiplication tables/charts, squares and square root tables.

WEEK: SIX
TOPIC/CONTENTS:

DIRECTED NUMBERS

i. Addition and subtraction of directed numbers.
ii. Multiplication and division of directed numbers

iii. Simplifying expression with directed numbers.

ACTIVITIES:

Students:

i. Add 2 or more directed numbers
ii. Multiply and divide directed numbers.
iii. Apply the sign rule in simplifying expressions with directed numbers. Instructional Resources:
i. Multiplication and division charts
ii. a chart showing multiplication and division of signs (sign rules).

WEEK: SEVEN
TOPIC/CONTENTS:

INVERSE IDENTITY

ii. Multiplicative inverse
iii. Use of inverse operation solving simple equations.

ACTIVITIES:

Students:

a. Obtain the additive inverse and multiplicative inverse of given numbers b. Solve simple equations by performing inverse operations.
Instructional Resources:
Chart showing inverse operations.

WEEK: EIGHT
TOPIC/CONTENTS:

SIMPLE EQUATIONS IN ONE VARIABLE

Solving equations of the form i. 2x = 8 (ii) 3n-4 = 5
iii. 3x-4 = 2x+1 (iv) 2y+4

7=2

ACTIVITIES:

Students:

Solve simple equations to obtain the unknown.
Instructional Resources:
Chart showing inverse operations

WEEK: NINE
TOPIC/CONTENTS:

GRAPHS

i. Introduction to the Cartesian plane
ii. Identifying the X and Y axis iii. Plotting points on the Cartesian plane (coordinates) iv. Construct shapes from given coordinates.

ACTIVITIES:

Students:

a. IdentifytheXandYaxis
b. DrawtheCartesianplane
c. Plot given pints
d. Joinplottedpointstoformshapes.

Instructional Resources:

Graph board, mathematical set.

WEEK: TEN
TOPIC/CONTENTS:

LINEAR INEQUALITIES

i. Identifying linear inequality in one variable
ii. Solving linear inequalities
iii. Graphical representation of solution of linear inequalities

iv. Word problems involving linear inequalities.

ACTIVITIES:

Students:

1. Solveaninequality
2. Representaninequalityusinganumber line
3. Show the region of solution for a giveninequality.

Instructional Resources:

Flash cards showing some inequalities.

WEEK: ELEVEN
TOPIC/CONTENTS:

EVERYDAY ARITHMETIC

i. Percentage and ratio

ii. Conversion of fractions to ratio, decimals, percentages.
iii. Quantitative Reasoning on fractions, ratios and percentages.

ACTIVITIES:

Students:

a. Convert fractions to ratio

1. Convert fractions to decimals and vice-serva
2. Convert fractions to percentages
3. Convert percentages to fractions.

Instructional Resources:

Multiplication/Division charts.

WEEK: TWELVE
TOPIC/CONTENTS:

EVERYDAY ARITHMETIC (TRANSACTION IN HOMES AND OFFICES)
i. Profit and loss

ii. Simple interest iii. Discount
iv. Commission

ACTIVITIES:

Students: