Keystones — Bedrock
Five GCSE retrieval questions · 13 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 31
Answer: 87 + 31 = 118 -
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 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 13, 15, 1, 15
Answer: 11