Keystones — Bedrock
Five GCSE retrieval questions · 21 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 34
Answer: 87 + 34 = 121 -
2. Algebra Substitution
If x = 2, find the value of 5x + 10
Answer: 20 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 9, 14, 9
Answer: 10.666666666667