Keystones — Bedrock
Five GCSE retrieval questions · 7 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 41
Answer: 27 + 41 = 68 -
2. Algebra Substitution
If x = 10, find the value of 4x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:12
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 4, 17, 3, 9, 12
Answer: 9