Keystones — Bedrock
Five GCSE retrieval questions · 23 July 2025 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 36 + 31
Answer: 36 + 31 = 67 -
2. Algebra Substitution
If x = 3, find the value of 5x + 5
Answer: 20 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 11, 10, 11
Answer: 10.666666666667