Keystones — Bedrock
Five GCSE retrieval questions · 14 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 55
Answer: 41 + 55 = 96 -
2. Algebra Substitution
If x = 9, find the value of 4x + 5
Answer: 41 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 4, 9, 12, 11, 14
Answer: 10