Pure / Steady

Sequences and Series

Arithmetic, geometric, and binomial reasoning in a structured way.

These ideas often appear as method questions where setup matters as much as arithmetic.

Separate arithmetic and geometric methods clearly before mixed exam questions.

Using the right formula in the wrong situation, especially with series sums.

Quiz me on sequences and series for A-Level Maths, starting easy then increasing the difficulty.

Starter tasks

Keep the first session short and clear.

Find the nth term of an arithmetic sequence.

Use a geometric formula for a finite sum.

Expand a binomial expression to a stated term.