# Mathematics Lesson Note for JSS1 (1st, 2nd & 3rd terms)

Updated 2023

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## Mathematics Scheme of Work for JSS 1 First Term

 WEEK TOPIC / CONTENT 1 WHOLE NUMBER i.  Count and write in million, billions and trillions ii. Apply the counting, writing and reading of large numbers in everyday life. iii. Roman system of counting. 2 EXERCISE IN FOUR BASIC OPERATIONS i.  Addition ii. Subtraction iii.Multiplication iv. Division with the use of place value. 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. 4 FRACTIONI CONTINUES i.  Convert fractions to decimal, decimals to fractions ii. Convert fractions to percentages, percentages to fractions. 5 DECIMAL FRACTIONS i. Meaning of decimal fractions ii. Relationship between fractions and decimals. 6 FACTORS AND MULTIPLES i.  Prime numbers and prime factors ii. Index forms and common factors iii.  HCF iv.  LCM 7 ESTIMATION i. Estimate the dimensions and distance within the school. ii. Estimate the objects iii. Statistics of people e.g. height iv. Solve problems on quantitative reasoning in estimation. 8 RANGE OF COST OF VARIOUS ARTICLES i.  Estimation of prices of every day articles ii. Relationship of estimated prices to real prices of the articles. 9 NUMBER BASE 2 i.  Counting in base 2 ii. Addition and subtraction of numbers I base 2 numbers. iii. Subtraction of numbers in base 2 numbers. 10 NUMBER BASE CONTINUES i.  Multiplication of numbers in base 2 numerals ii. Quantitative reasoning involving problems related to conversion and applications of numbers in base 2 numbers. iii. Convert base 10 numerals to binary numbers. 11 PERCENTAGES i.  Changing percentages to decimals ii. Relationship of estimated prices to real prices of the articles. 12 PERCENTAGE CONTINUES i. Changing percentages to decimals ii. Changing decimals to percentages. 13 Revision 14 Examinations

## Mathematics Scheme of Work for JSS 1 Second Term

 WEEK TOPIC / CONTENT 1 APPROXIMATION i.  Obtaining approximate values for calculation involving four basic arithmetic processes (operations) ii. Rounding off of numbers to the nearest 10, 100, 1000. iii. Quantitative reasoning involving approximation. 2 OPEN SENTENCES i.  Use of letters to represent numbers ii. Distinguishing between open and closed sentences iii.  Supplying the missing numbers in open sentences from a set of given permissible substitutes. 3 SIMPLIFYING   ALGEBRAIC EXPRESSION i.  Identifying the coefficient of symbols or letters ii. Distinguishing algebraic expression from  non-algebraic expression. 4 SIMPLIFYING ALGEBRAIC EXPRESSION CONTINUES i.  Basic operation of addition, subtraction, multiplication and division of algebraic symbols and terms ii. Collection of like terms. 5 WORD PROBLEMS i. Formation of word problems (simple cases) ii. word problems involving use of symbols iii. Quantitative reasoning involving algebraic expressions. 6 SIMPLE EQUATION IN ONE VARIABLE i.  Identifying simple equation in one variable ii. Examples of three types of equality i.e. Absolute, Referential and Conditional equality. 7 DIRECTED NUMBERS i.  Addition and subtraction of numbers using number line ii. Use of number line. 8 BASIC PROPERTIES OF SOME COMMON THREE DIMENSIONAL FIGURES Basic properties of cubes, cuboids, pyramids, cylinders, e.g. faces, vertices and edges. 9 BASIC PROPERTIES OF SOME THREE DIMENSIONAL CONTINUES i.  Sphere ii. Cone iii. Triangular prism e.g. faces, vertices and edges. 10 PROPERTIES OF FIGURES i.  Rectangles ii. Square iii.  Isosceles triangles iv.  Equilateral triangles v.  Circles 11 Revision 12 Examinations

## Mathematics Scheme of Work for JSS 1 Third Term

 WEEK TOPIC / CONTENT 1 APPROXIMATION i.  Obtaining approximate values for calculation involving four basic arithmetic processes (operations) ii. Rounding off of numbers to the nearest 10, 100, 1000. iii. Quantitative reasoning involving approximation. 2 OPEN SENTENCES i.  Use of letters to represent numbers ii. Distinguishing between open and closed sentences iii.  Supplying the missing numbers in open sentences from a set of given permissible substitutes. 3 SIMPLIFYING   ALGEBRAIC EXPRESSION i.  Identifying the coefficient of symbols or letters ii. Distinguishing algebraic expression from  non-algebraic expression. 4 SIMPLIFYING ALGEBRAIC EXPRESSION CONTINUES i.  Basic operation of addition, subtraction, multiplication and division of algebraic symbols and terms ii. Collection of like terms. 5 WORD PROBLEMS i. Formation of word problems (simple cases) ii. word problems involving use of symbols iii. Quantitative reasoning involving algebraic expressions. 6 SIMPLE EQUATION IN ONE VARIABLE i.  Identifying simple equation in one variable ii. Examples of three types of equality i.e. Absolute, Referential and Conditional equality. 7 DIRECTED NUMBERS i.  Addition and subtraction of numbers using number line ii. Use of number line. 8 BASIC PROPERTIES OF SOME COMMON THREE DIMENSIONAL FIGURES Basic properties of cubes, cuboids, pyramids, cylinders, e.g. faces, vertices and edges. 9 BASIC PROPERTIES OF SOME THREE DIMENSIONAL CONTINUES i.  Sphere ii. Cone iii. Triangular prism e.g. faces, vertices and edges. 10 PROPERTIES OF FIGURES i.  Rectangles ii. Square iii.  Isosceles triangles iv.  Equilateral triangles v.  Circles 11 Revision 12 Examinations