Keystones — Bedrock
Five GCSE retrieval questions · 28 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 25
Answer: 31 + 25 = 56 -
2. Algebra Substitution
If x = 9, find the value of 5x + 4
Answer: 49 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 7, 2, 8, 15, 3
Answer: 7