Keystones — Bedrock
Five GCSE retrieval questions · 28 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 18
Answer: 46 + 18 = 64 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 20, 7, 13, 12
Answer: 13