# SECOND TERM MATHEMATICS SCHEME OF WORK FOR JSS3/BASIC 9

Second Term JSS 3 Mathematics Curriculum for Junior secondary school In Nigeria – Edudelight.com scheme

Lagos State Ministry of Education Scheme of work for Mathematics jss 3 Second Term

### SECOND TERM SCHEME OF WORK FOR MATHEMATICS JSS 3 (BASIC 9)

Week 1

• Simple equation involving fractions.
• Word problems involving fractions.

Week 2

• Simultaneous equation
• Elimination method
• Substitution method

Week 3

• Simultaneous equation
• Graphical method
• Word problems leading to simultaneous equation

Week 4

• Similar Shapes
• Calculation of similar shapes.

Week 5

Change of Subject Formula

Week 6

• Trigonometry I
• Tangent of angles

Week 7

• Trigonometry II
• Sine and cosine of angles

Week 8

Construction -Bisection of line and angle -Construction of 90o, 450, 600 and 300

Week 9

Statistics

Week 10

Revision of mean, medium and mode -Revision of pie charts

### SECOND TERM SCHEME OF WORK FOR MATHEMATICS JSS 3 (BASIC 9) – Modified I

1. Revision of First term’s work
2. Methods of solving simultaneous Linear Equations in one or Two Variables

Elimination, Substitution and Graphical Methods

• Methods of solving simultaneous Equation.

Application of Linear Equation

Graphical Method continued

• Statistics II

Application of measure of central tendency on relevant current issues

Data collection from info on drug Abuse, voters Register, Producers (workers), consumers (children, aged etc)

Importance of data on drug.  Abuse, HIV patients, Voters Register, Producers, consumers etc

The use of the statistical tools such as measures of central tendency in Drug abuse, voting and other related activities.

• Variation

Concept and meaning

Types of variation with examples Direct, Inverse, Joint, and Partial.

6.         Variation (continued)

Joint and Partial Variation on simple exercises

More exercise in the various types of variation

7.         Revision

8.         Trigonometric ratio of angles

Sine, cosine, tangent of acute angles

Application of trigonometrically ratios to solve problems on angles and sides of a

9.         Angles of elevation and depression

Clinometers to measure distances.

10.       Bearing and Distances.

Concept of bearing and distances

Taking of bearing

Instrumental for taking bearing

Scale drawing

11 – 13            Revision & Examination

### SECOND TERM SCHEME OF WORK FOR MATHEMATICS JSS 3 (BASIC 9) – Modified II

1. Revision of first term work
2. Simple Equations involving Fractions: Simple Equations involving fractions. Word problems leading to simple equations involving fractions
3. Simultaneous Linear equations: Compilations of tables of values. Graphical solution of simultaneous linear equations in two variables.
4. Solution of simultaneous linear equations: Method by elimination and method by substitution.
5. Similar shapes: identification of similar figures-triangles, rectangles, squares, cubes and cuboids. Enlargement and scale factor
6. Use of scale factor in calculating lengths, areas and volumes of similar figures.
7. Trigonometry: the sine, cosine and tangent of an acute angle. Applications of Tri gonometrical ratios to finding distances and lengths
8. Area of plane Figures: Area of plane figures-Triangles, parallelogram, trapezium and circle. Calculations of the areas of lands
9. Construction: Bisection of a segment-using a pair of compasses and a ruler. Bisection of an angle. Construction of angles 900,  450,  600  and  300. Copying giving angles. Solving quantitative reasoning aptitude problems on construction.
10. Revision.
11. Examination.

### SECOND TERM SCHEME OF WORK FOR MATHEMATICS JSS 3 (BASIC 9) – Modified III

Week 1

– Revision of mean, medium and mode -Revision of pie charts

Week 1: CHANGE OF SUBJECT OF FORMULA

i. Changing subject in a formula

ii. Simplifying expression by substituting in formula

Week 2: COMPOUND INTEREST

i. Revision of simple interest

ii. Solving problems on compound interest

iii. Applying the use of compound interest in daily life activities

Week 3: VIEWS, PLANS AND SKETCHES

Drawing views and plans of common solids:

i. Cube and cuboids

ii. Cone

iii. Cylinder

iv. Sphere

v. Prism

Week 4: PROBABILITY

i. Define probability

ii. Use probability to estimate the outcomes of real-life problems involving chance

iii. Express probability as a fraction

iv. Determine the probability of events such as throwing a die, picking a ball from a bag etc.

Week 5: SIMILAR SHAPES

a. Identify similar figures:

i. Triangles

ii. Rectangles

iii. Squares

iv. Cubes

b. Identifying the presence of similar shapes in the environment

Week 6: ENLARGEMENT AND SCALE FACTOR

i. Meaning of enlargement and scale factor

ii. Enlargement shapes using scale factor

iii. Calculating and comparing lengths, areas and volumes of similar figures

iv. Quantitative reasoning involving similar shapes

Week 7: TRIGONOMETRY

i. Identify sine, cosine and tangent of an acute angle as ratios of sides of a right-angled triangle

ii. Using trigonometric ratio to solve practical problems

iii. Applying trigonometric ratios to solve problems

Week 8: SOLID SHAPES

Problems in measuration involving:

i. Volume of cylinders, cones.

ii. Surface areas of cylinder and cones.

Week 9: CONSTRUCTION

i. Bisecting of line segment

ii. Bisecting of angles

iii. Constructing simple shapes

Week 10: CONSTRUCTION 2

i. Construction of angles of various sizes: 90°, 60°, 40°, 30°

ii. Copying a given angle

iii. Constructing simple shapes

Week 11/12: Revision/Examination

Next: Third Term Mathematics Scheme of work for Jss3

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