Keystones — Bedrock
Five GCSE retrieval questions · 4 August 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 97
Answer: 42 + 97 = 139 -
2. Algebra Substitution
If x = 6, find the value of 8x + 12
Answer: 60 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 18, 8, 17
Answer: 14.333333333333