Keystones — Bedrock
Five GCSE retrieval questions · 21 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 15
Answer: 46 + 15 = 61 -
2. Algebra Substitution
If x = 9, find the value of 5x + 11
Answer: 56 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 4, 11, 18, 3
Answer: 9