Keystones — Bedrock
Five GCSE retrieval questions · 15 May 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 67
Answer: 20 + 67 = 87 -
2. Algebra Substitution
If x = 6, find the value of 5x + 3
Answer: 33 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 20, 19, 17, 14, 4
Answer: 14.8