Keystones — Bedrock
Five GCSE retrieval questions · 23 March 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 84
Answer: 87 + 84 = 171 -
2. Algebra Substitution
If x = 10, find the value of 4x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 15, 14, 19, 10, 7
Answer: 13