Keystones — Bedrock
Five GCSE retrieval questions · 12 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 36
Answer: 21 + 36 = 57 -
2. Algebra Substitution
If x = 3, find the value of 7x + 6
Answer: 27 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 18, 3, 20, 4
Answer: 11.25