Keystones — Bedrock
Five GCSE retrieval questions · 21 February 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 82
Answer: 27 + 82 = 109 -
2. Algebra Substitution
If x = 7, find the value of 2x + 9
Answer: 23 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 17, 5, 16, 4
Answer: 10.5