Keystones — Bedrock
Five GCSE retrieval questions · 2 November 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 15
Answer: 25 + 15 = 40 -
2. Algebra Substitution
If x = 2, find the value of 2x + 10
Answer: 14 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:24
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 16, 3, 19, 9
Answer: 11.75