Keystones — Bedrock
Five GCSE retrieval questions · 10 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 36
Answer: 42 + 36 = 78 -
2. Algebra Substitution
If x = 7, find the value of 7x + 12
Answer: 61 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 10, 14, 12, 2, 14
Answer: 10.4