Keystones — Bedrock
Five GCSE retrieval questions · 21 August 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 20
Answer: 42 + 20 = 62 -
2. Algebra Substitution
If x = 7, find the value of 6x + 3
Answer: 45 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 14, 16, 2, 11, 2
Answer: 9