Keystones — Bedrock
Five GCSE retrieval questions · 19 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 41
Answer: 27 + 41 = 68 -
2. Algebra Substitution
If x = 2, find the value of 3x + 9
Answer: 15 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 15, 2, 2, 6, 10
Answer: 7