Keystones — Bedrock
Five GCSE retrieval questions · 13 June 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 71
Answer: 74 + 71 = 145 -
2. Algebra Substitution
If x = 4, find the value of 5x + 6
Answer: 26 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 16, 9, 16, 10, 20
Answer: 14.2