Keystones — Bedrock
Five GCSE retrieval questions · 13 August 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 46
Answer: 40 + 46 = 86 -
2. Algebra Substitution
If x = 5, find the value of 6x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:40
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 13, 3, 18, 17, 3
Answer: 10.8