Keystones — Bedrock
Five GCSE retrieval questions · 19 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 82 + 77
Answer: 82 + 77 = 159 -
2. Algebra Substitution
If x = 9, find the value of 2x + 10
Answer: 28 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:18
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 17, 11, 16
Answer: 14.666666666667