Extension that works with linear and quadratic sequences, finishing with using quadratic sequences to find expressions for sums of positive integers. Answers provided.

An extension on Pythagoras’ theorem, including multi-step problems. Answers provided.

An extension task that guides students through sketching quadratic graphs using completing the square, ending with the case for general a, b and c where “a” can be positive or negative. Answers provided.

Starter and main worksheet on pressure, force and surface area. Answers provided.

Worksheet that gets students to derive the process of finding the nth term of linear sequences. Answers provided.