Keystones — Bedrock
Five GCSE retrieval questions · 29 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 27
Answer: 28 + 27 = 55 -
2. Algebra Substitution
If x = 2, find the value of 6x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 9, 3, 5, 9, 14
Answer: 8