Keystones — Bedrock
Five GCSE retrieval questions · 13 October 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 42
Answer: 25 + 42 = 67 -
2. Algebra Substitution
If x = 9, find the value of 2x + 12
Answer: 30 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 4, 16, 14
Answer: 11.333333333333