Keystones — Bedrock
Five GCSE retrieval questions · 22 April 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 53
Answer: 87 + 53 = 140 -
2. Algebra Substitution
If x = 7, find the value of 3x + 7
Answer: 28 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 18, 17, 8
Answer: 14.333333333333