Consolidation of operations on rational numbers. Representation of rational numbers on the number line. Between any two rational numbers there lies another rational number. Word problem.
Cubes and cubes roots (only factor method for numbers containing at most 3 digits.
Integers as exponents. Laws of exponents with integral powers.
Observing the aggregating numbers over a large number of repeated events. Comparing with the data for a coin. Observing strings of throws, notion of randomness.
Multiplication and division of algebraic exp. Some common errors. Factorisation (simple cases only). Solving linear equations in one variable in contextual problems involving multiplication and division.
Solving linear equations in one variable in contextual problems involving multiplication and division (word problems) (avoid complex coefficient in the equations).
Construction of Quadrilaterals: Given four sides and one diagonal. Three sides and two diagonals. Three sides and two included angles. Two adjacent sides and three angles
Area of a trapezium and a polygon. Concept of volume, measurement of volume usinga basic unit, volume of a cube, cuboid and cylinder. Volume and capacity (measurement of capacity). Surface area of a cube, cuboid, cylinder.
Visualising Solid Shapes
Reading bar-graphs, ungrouped data, arranging it into groups, representation of grouped data through bar-graphs, constructing and interpreting bar-graphs. Simple Pie charts with reasonable data numbers
Writing and understanding a 2 and 3 digit number in generalized form. Number puzzles and games
Axes (Same units), Cartesian Plane, Plotting points for different kind of situations- Reading off from the graphs, Reading of linear graphs, Reading of distance vs time graph.
Simple and direct word problems, Inverse variation
Online practice tests on Factorisation for class 8 maths Olympiad exam preparation.
