Keystones — Bedrock
Five GCSE retrieval questions · 7 August 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 23
Answer: 30 + 23 = 53 -
2. Algebra Substitution
If x = 8, find the value of 3x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 19, 15, 18
Answer: 17.333333333333