Keystones — Bedrock
Five GCSE retrieval questions · 9 February 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 45
Answer: 46 + 45 = 91 -
2. Algebra Substitution
If x = 8, find the value of 8x + 5
Answer: 69 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 18, 12, 9, 14
Answer: 13.25