Keystones — Bedrock
Five GCSE retrieval questions · 14 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 69 + 63
Answer: 69 + 63 = 132 -
2. Algebra Substitution
If x = 8, find the value of 2x + 5
Answer: 21 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 7, 15, 3
Answer: 8.3333333333333