Keystones — Bedrock
Five GCSE retrieval questions · 18 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 24
Answer: 31 + 24 = 55 -
2. Algebra Substitution
If x = 8, find the value of 7x + 9
Answer: 65 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 14, 11, 15, 8
Answer: 12