Keystones — Bedrock
Five GCSE retrieval questions · 28 August 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 49
Answer: 50 + 49 = 99 -
2. Algebra Substitution
If x = 7, find the value of 4x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 10, 14, 17, 7, 11
Answer: 11.8