Keystones — Bedrock
Five GCSE retrieval questions · 25 April 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 75
Answer: 86 + 75 = 161 -
2. Algebra Substitution
If x = 8, find the value of 8x + 11
Answer: 75 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 9, 5, 6
Answer: 6.6666666666667