Keystones — Bedrock
Five GCSE retrieval questions · 19 February 2026 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 38 + 20
Answer: 38 + 20 = 58 -
2. Algebra Substitution
If x = 3, find the value of 3x + 4
Answer: 13 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 20, 11, 7, 9
Answer: 11.75