Keystones — Bedrock
Five GCSE retrieval questions · 13 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 44
Answer: 28 + 44 = 72 -
2. Algebra Substitution
If x = 7, find the value of 3x + 3
Answer: 24 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 20, 17, 11
Answer: 16