Keystones — Bedrock
Five GCSE retrieval questions · 4 July 2025 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 90 + 90
Answer: 90 + 90 = 180 -
2. Algebra Substitution
If x = 10, find the value of 4x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 3, 15, 15, 15, 17
Answer: 13