Keystones — Bedrock
Five GCSE retrieval questions · 10 October 2025 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 79 + 84
Answer: 79 + 84 = 163 -
2. Algebra Substitution
If x = 10, find the value of 4x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 16, 9, 8, 6, 3
Answer: 8.4