Properties of rational numbers. (including identities). Using general form of expression to describe properties. 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.
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. Consolidating and generalizing the notion of chance in events like tossing coins, dice etc. Relating it to chance in life events.
Multiplication and division of algebraic exp.(Coefficient should be integers). Some common errors. Factorisation (simple cases only). Solving linear equations in one variable in contextual problems involving multiplication and division (word problems) (avoid complex coefficient in the equations).
Writing and understanding a 2 and 3 digit number in generalized form (100a + 10b + c , where a, b, c can be only digit 0-9) and engaging with various puzzles concerning this. Number puzzles and games. Deducing the divisibility test rules of 2, 3, 5, 9,10 for a two or three-digit number expressed in the general form.