Keystones — Bedrock
Five GCSE retrieval questions · 30 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 36
Answer: 49 + 36 = 85 -
2. Algebra Substitution
If x = 3, find the value of 8x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 8, 3, 18
Answer: 9.6666666666667