Keystones — Bedrock
Five GCSE retrieval questions · 27 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 23
Answer: 39 + 23 = 62 -
2. Algebra Substitution
If x = 7, find the value of 8x + 7
Answer: 63 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:4
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 3, 2, 17, 19
Answer: 10.25