Keystones — Bedrock
Five GCSE retrieval questions · 9 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 38
Answer: 27 + 38 = 65 -
2. Algebra Substitution
If x = 10, find the value of 5x + 10
Answer: 60 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 12, 7, 10, 20, 19
Answer: 13.6