MATHEMATICS JSS 3 SECOND TERM

IN THIS TERM, LEARNERS SHOULD LOOK OUT FOR THE FOLLOWING IN DETAIL:

Week 1: Change of Subject Of Formula

• Changing Subject in a Formula.
• Simplifying expression by substituting in the formula.

Week 2: Compound Interest

• Revision on simple interest.
• Solving problems on compound interest.
• Applying the use of compound interest in daily life activities. 

Week 3: Views, Planes and Sketches

Drawing views and plans of common solids

1. Cube and cuboids
2. Cone
3. Cylinder
4. Sphere
5. Prism 

Week 4: Probability

• Define Probability
• Estimate the outcomes of real-life problems involving chance.
• Express probability as a fraction.
• Determine the probability of events such as throwing a die, picking a ball from a bag etc. 

Week 5: Similar Shapes

• Identify similar figures:

1. Triangles
2. Rectangles
3. Squares
4. Cubes
5. Cuboid

• Identify the presence of similar shapes in the environment. 

Week 6: Enlargement and Scale Factor

• Meaning of enlargement and scale factor.
• Enlargement of shapes using scale factor.
• Calculating and comparing lengths, areas and volumes of similar figures. 

Week 7: Trigonometry

• Identify the sine, cosine and tangent of an acute angle as ratios of sides of a right-angled triangle.
• Using trigonometric ratio to solve problems. 

Week 8: Solid shapes

Problems in mensuration involving:

• Volume of cylinders and cones.
• Surface area of cylinders and cones.

Week 9: Construction

• Bisecting of line segments.
• Bisecting of angles.
• Constructing simple shapes. 

Week 10: Construction

• Construction of angles of various sizes.
• Copying a given angle.