Keystones — Bedrock
Five GCSE retrieval questions · 3 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 23
Answer: 44 + 23 = 67 -
2. Algebra Substitution
If x = 6, find the value of 5x + 7
Answer: 37 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 17, 3, 15, 9, 6
Answer: 10