Keystones — Bedrock
Five GCSE retrieval questions · 30 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 13
Answer: 30 + 13 = 43 -
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 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 20, 17, 2
Answer: 13