Keystones — Bedrock
Five GCSE retrieval questions · 3 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 35
Answer: 31 + 35 = 66 -
2. Algebra Substitution
If x = 4, find the value of 4x + 7
Answer: 23 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 16, 13, 13, 20, 18
Answer: 16