Keystones — Bedrock
Five GCSE retrieval questions · 22 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 82
Answer: 78 + 82 = 160 -
2. Algebra Substitution
If x = 4, find the value of 2x + 6
Answer: 14 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 17, 7, 16, 15, 17
Answer: 14.4