Keystones — Bedrock
Five GCSE retrieval questions · 18 November 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 21
Answer: 32 + 21 = 53 -
2. Algebra Substitution
If x = 9, find the value of 6x + 8
Answer: 62 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 14, 5, 12, 6, 15
Answer: 10.4