Keystones — Lintel

Five GCSE retrieval questions · 15 April 2023 · mathsvault.uk/keystones

1. Number

What is the missing number: 69 + ? = 101

Answer: 32
2. Algebra

Solve: 3x = 39

Answer: x = 13
3. Geometry

Calculate the area of a circle with diameter 21cm

Answer: 346.36cm²
4. Ratio

Simplify: 12:16:8

Answer: 3:4:2
5. Statistics

A spinner has 3 red, 2 blue and 5 green sections. Probability of landing on red?

Answer: ³⁄₁₀

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.