Keystones — Bedrock
Five GCSE retrieval questions · 14 February 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 34
Answer: 39 + 34 = 73 -
2. Algebra Substitution
If x = 4, find the value of 2x + 8
Answer: 16 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 6, 6, 18, 7, 5
Answer: 8.4