Keystones — Lintel

Five GCSE retrieval questions · 5 October 2022 · mathsvault.uk/keystones

1. Number

Add: ¹⁄₇ + ⁵⁄₈

Answer: ⁴³⁄₅₆
2. Algebra

Factorise: 2x² + 2x

Answer: 2x(x + 1)
3. Geometry

Calculate the distance between (9, 4) and (12, 8)

Answer: 5
4. Ratio

Simplify: 8:16:20

Answer: 2:4:5
5. Statistics

A bag has 4 red and 7 blue balls. What is the probability of picking a red ball?

Answer: ⁴⁄₁₁

Same five questions for everyone on Lintel on this date. Sets are stored as JSON for reliable print-on-demand — sign in for school-branded PDFs.