Year 9 maths

Number, algebra, ratio, geometry, statistics and probability, taught step by step with worked examples.

Key Stage 3 · 12 topics · 34 lessons

1. 1. Straight line graphs

   By the end: Gradient and intercept; y = mx + c.

   3 lessons · coming soon

2. 2. Forming and solving equations

   By the end: Unknowns on both sides; rearranging formulae.

   4 lessons · coming soon

3. 3. 3D shapes

   By the end: Volume and surface area of prisms and cylinders.

   3 lessons · coming soon

4. 4. Constructions and congruence

   By the end: Bisectors, loci; congruent triangles.

   3 lessons · coming soon

5. 5. Using percentages

   By the end: Reverse percentages; simple and compound interest.

   3 lessons · coming soon

6. 6. Maths and money

   By the end: Bills, wages, tax, best buys.

   2 lessons · coming soon

7. 7. Rotation and translation

   By the end: Describe transformations fully.

   2 lessons · coming soon

8. 8. Pythagoras' theorem

   By the end: Find any side of a right-angled triangle.

   3 lessons · coming soon

9. 9. Enlargement and similarity

   By the end: Scale factors, including fractions.

   3 lessons · coming soon

10. 10. Rates

    By the end: Speed, density, pressure.

    3 lessons · coming soon

11. 11. Probability

    By the end: Relative frequency; tree diagrams.

    3 lessons · coming soon

12. 12. Algebraic graphs

    By the end: Quadratic and real-life graphs.

    2 lessons · coming soon