# JSS1- JSS3 MATHEMATICS FIRST TERM SCHEME OF WORK

Mathematics first term Scheme of work for Nigeria junior secondary school (JSS1 – JSS3) students.

**JSS1:First Term’s Scheme of Work Mathematics**

**Week 1**: WHOLE NUMBER

i. Count and write in millions, billions and trillions.

ii. Apply the counting, writing and reading of large numbers in everyday life.

iii. Roman system of counting.

**Week 2: **EXERCISE IN FOUR BASIC OPERATIONS

i. Addition.

ii. Subtraction.

iii. Multiplication.

iv. Division with the use of place value.

**Week 3: **FRACTIONS

i. Meaning and identification of fractions.

ii. Reduction of fractions to lowest term.

iii. Equivalent fractions, meaning and production.

iv. Arrange given fraction either in ascending or descending order.

**Week 4:** FRACTIONS II

i. Convert fractions to decimals, decimals to fractions.

ii. Convert fractions to percentages, percentages to fractions.

**Week 5: **DECIMAL FRACTIONS

i. Meaning of decimal fractions.

ii. Relationship between fractions and decimals.

**Week 6: **FACTORS AND MULTIPLES

i. Prime numbers and prime factors.

ii. Index forms and common factors.

iii. HCF

iv. LCM

**Week 7:** ESTIMATION

i. Estimate the dimension and distance within the school.

ii. Estimate the objects.

iii. Statistics of people, e.g., height.

iv. Solve problems on quantitative reasoning in estimation.

**Week 8**: RANGE OF COST OF VARIOUS ARTICLES

i. Estimation of prices of everyday articles.

ii. Relationship of estimated prices to real prices of the articles.

**Week 9:** NUMBER BASE 2

i. Counting in base 2.

ii. Addition and subtraction of numbers in base 2.

**Week 10: **NUMBER BASE 2 (II)

i. Multiplication of numbers in base 2 numerals.

ii. Quantitative reasoning involving problems related to conversion and application of numbers in base 2 numbers.

iii. Convert base 10 numerals to binary numbers.

**Week 11: **PERCENTAGES

i. Changing percentages to decimals.

ii. Relationship of estimated prices to real prices of articles.

iii. Changing decimals to percentages.

**Week 12 – 13: **REVISION/EXAMINATION

**JSS2: First Term’s Scheme of Work **

**Week 1:** 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.

**Week 2: **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.

**Week 3: **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.

**Week 4: **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.

**Week 5:** FACTORS AND MULTIPLES II

i. Multiples of numbers.

ii. Common multiples and LCM.

iii. Squares and square roots.

iv. Finding square roots of numbers by factors.

**Week 6: **DIRECTED NUMBERS

i. Addition and subtraction of directed numbers.

ii. Multiplication and division of directed numbers.

iii. Simplifying expression with directed numbers.

**Week 7:** INVERSE IDENTITY

i. Additive inverse.

ii. Multiplicative inverse.

iii. Use of inverse operation solving simple equations.

**Week 8:** SIMPLE EQUATIONS IN ONE VARIABLE

Solving equations of the form

i. 2x = 8 (ii) 3n – 4 = 5

ii. 3x – 4 = 2x + 1 (iv) 2y + 4

——–

7 = 2

**Week 9:** 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.

**Week 10: **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.

**Week 11:** EVERYDAY ARITHMETIC

i. Percentage and ratio.

ii. Conversion of fractions to ratio, decimals, percentages.

iii. Quantitative Reasoning on fractions, ratios and percentages.

**Week 12: **EVERYDAY ARITHMETIC (TRANSACTION IN HOMES AND OFFICES)

i. Profit and loss.

ii. Simple interest.

iii. Discount.

iv. Commission.

**Week 13 – 14:** REVISION/EXAMINATION.

**JSS3: First Term’s Scheme of Work **

**Week 1: **BINARY NUMBERS

i. Addition and subtraction of binary numbers.

ii. Multiplication and division of binary numbers.

iii. Solving Reasoning problems on binary numbers.

**Week 2: **BINARY NUMBERS II

i. Conversion form base 10 to binary.

ii. Conversion from binary to other bases.

iii. Applying binary numbers as two way classification system using punch card.

iv. Using computer to do simple mathematical calculations.

**Week 3: **DIRECT AND INVERSE PROPORTION

i. Direct proportion.

ii. Indirect proportion.

iii. Apply direct and inverse proportions to practical problems.

**Week 4: **RATIONAL AND NON-RATIONAL NUMBERS

i. Identifying rational and non-rational numbers.

ii. Determining the approximate value of some non-rational numbers.

iii. Determining the approximate value of pi.

iv. Finding reciprocals.

**Week 5:** PLANE FIGURES

Problems in measuration involving:

i. Area of triangles.

ii. Area of parallelograms.

iii. Area of trapezium.

iv. Area of circles and sectors.

v. Word problems involving area.

**Week 6:** FACTORIZATION OR ALGEBRAIC EXPRESSION

Factorization of expressions of the form:

i. ax+ay

ii. 3m+pq+3p+mq etc.

iii. Word problems involving factorization.

**Week 7: **EQUATIONS INVOLVING FRACTIONS

i. Solving simple equations involving fractions.

ii. Word problems leading to simple equation involving fractions.

iii. Simplifying expressions involving brackets.

**Week 8: **SIMULTANEOUS EQUATIONS

i. Solution of simultaneous equations by substitution method.

ii. Solution by elimination method.

iii. Applying substitution and elimination method of solving simultaneous equations to real life activities.

**Week 9: **GRAPHICAL SOLUTION OF SIMULTANEOUS EQUATIONS

i. Compiling table of values for simultaneous linear equations.

ii. Solving problems involving simultaneous linear equations in 2 variables graphically.

**Week 10: **VARIATION

i. Definition of variation.

ii. Direct variation y=kx

iii. Inverse variation y=k/x

iv. Partial variation y=kx+c

v. Joint variation y=kpq, where k is a constant.

**Week 11:** WORD PROBLEMS

i. Translate word problems into numerical expression.

ii. Interpreting and solving given word problems.

**Week 12 – 13:** REVISION/EXAMINATION.