Keystones — Bedrock
Five GCSE retrieval questions · 4 July 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 85
Answer: 79 + 85 = 164 -
2. Algebra Substitution
If x = 2, find the value of 5x + 7
Answer: 17 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 2, 17, 9, 12
Answer: 10