Keystones — Bedrock
Five GCSE retrieval questions · 28 April 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 57
Answer: 78 + 57 = 135 -
2. Algebra Substitution
If x = 7, find the value of 3x + 10
Answer: 31 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 7, 4, 11, 3
Answer: 6.25