Keystones — Bedrock
Five GCSE retrieval questions · 17 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 23
Answer: 38 + 23 = 61 -
2. Algebra Substitution
If x = 6, find the value of 2x + 12
Answer: 24 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 12, 5
Answer: 9.3333333333333