Keystones — Bedrock
Five GCSE retrieval questions · 21 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 60
Answer: 21 + 60 = 81 -
2. Algebra Substitution
If x = 5, find the value of 5x + 12
Answer: 37 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:24
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 6, 14, 18
Answer: 12.666666666667