Keystones — Bedrock
Five GCSE retrieval questions · 23 November 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 42
Answer: 12 + 42 = 54 -
2. Algebra Substitution
If x = 9, find the value of 5x + 9
Answer: 54 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 13, 10, 4, 18
Answer: 11.25