Keystones — Bedrock
Five GCSE retrieval questions · 16 June 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 22
Answer: 15 + 22 = 37 -
2. Algebra Substitution
If x = 4, find the value of 7x + 10
Answer: 38 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 3, 5, 17
Answer: 8.3333333333333