Exam tips, study plans and formula help

This chapter gives the area formulas for rectangles, triangles, parallelograms, rhombuses, trapeziums and other polygons. It also explains key area results and...

This chapter uses algebra to explain number tricks and puzzles. It covers think-of-a-number tricks, number pyramids, calendar grids, divisibility tricks and how...

This chapter is about understanding data. It covers the mean and median, how they change when data changes, finding them from a...

This chapter explores fractals, solid shapes and their nets, shortest paths on a cube and views of solids. It gives counting rules...

This chapter continues with ratios and proportion. It covers map scales, ratios with three or more terms, drawing pie charts and inverse...

This chapter starts with doubling and halving a square and finding √2. It then explains the Baudhayana-Pythagoras theorem for right triangles, Baudhayana...

This chapter shows that percentages are fractions with denominator 100. It covers percentage increase and decrease, profit and loss, discount, GST and...

This chapter is about ratios and proportions. It explains cross multiplication, the Rule of Three (Trairashika), how to share an amount in...

This chapter is about the distributive property and the algebraic identities that come from it. It shows how identities like (a +...