Keystones — Bedrock
Five GCSE retrieval questions · 26 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 27
Answer: 38 + 27 = 65 -
2. Algebra Substitution
If x = 3, find the value of 8x + 9
Answer: 33 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 3, 20, 2
Answer: 8.3333333333333