Keystones — Bedrock
Five GCSE retrieval questions · 19 August 2025 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 82 + 88
Answer: 82 + 88 = 170 -
2. Algebra Substitution
If x = 4, find the value of 8x + 10
Answer: 42 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 19, 3, 18, 4, 3
Answer: 9.4