Lesson : Area of a trapezium, a polygon and semi-circle.
Chapter 1 Number System
Playing with numbers
Chapter 2 Ratio and Proportions
applications on percentages, profit & loss, overhead expenses, Discount, tax.
Difference between simple and compound interest
Problems on Tax (rebate sum included)
Direct and inverse variations – word problems
Time and work problems– word problems
Chapter 3 Algebra
Multiplication and division of algebraic expression
Properties of inequalities
Factorisation (simple cases)
Solving linear equations in one variable in contextual problems involving multiplication and division
Chapter 4 Geometry
Representing 3-D in 2-D
Construction of Quadrilaterals:
Idea of reflection symmetry and symmetrical shapes
Chapter 5 Mensuration
Area of a trapezium, a polygon and semi-circle.
Surface area of a cube, cuboid, cylinder.
Total surface area and curved surface areas of various 3-D figures
Volume of a cube, cuboid and cylinder
Volume and capacity (measurement of capacity)
Chapter 6 Data Handling
Arranging ungrouped data into groups
representation of grouped data through bar-graphs
Simple Pie charts with reasonable data numbers
Consolidating and generalising the notion of chance in events
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