Keystones — Bedrock
Five GCSE retrieval questions · 2 December 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 90
Answer: 84 + 90 = 174 -
2. Algebra Substitution
If x = 3, find the value of 2x + 9
Answer: 15 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 12, 17, 2
Answer: 10.333333333333