Keystones — Bedrock
Five GCSE retrieval questions · 15 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 53
Answer: 75 + 53 = 128 -
2. Algebra Substitution
If x = 6, find the value of 8x + 10
Answer: 58 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 9, 14, 3, 11, 2
Answer: 7.8