Keystones — Bedrock
Five GCSE retrieval questions · 1 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 45
Answer: 21 + 45 = 66 -
2. Algebra Substitution
If x = 10, find the value of 6x + 3
Answer: 63 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 13, 13, 17, 6, 7
Answer: 11.2