Keystones — Bedrock
Five GCSE retrieval questions · 12 October 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 56
Answer: 84 + 56 = 140 -
2. Algebra Substitution
If x = 4, find the value of 4x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:25
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 17, 10, 18, 6
Answer: 12.75