Keystones — Bedrock
Five GCSE retrieval questions · 8 February 2025 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 86 + 51
Answer: 86 + 51 = 137 -
2. Algebra Substitution
If x = 5, find the value of 7x + 8
Answer: 43 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 15, 2, 19, 4, 14
Answer: 10.8