Keystones — Bedrock
Five GCSE retrieval questions · 11 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 39
Answer: 45 + 39 = 84 -
2. Algebra Substitution
If x = 4, find the value of 4x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 14, 12, 2, 6, 18
Answer: 10.4