Keystones — Bedrock
Five GCSE retrieval questions · 25 May 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 42
Answer: 74 + 42 = 116 -
2. Algebra Substitution
If x = 6, find the value of 2x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 2, 18, 18, 8, 6
Answer: 10.4