Keystones — Bedrock
Five GCSE retrieval questions · 28 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 40
Answer: 40 + 40 = 80 -
2. Algebra Substitution
If x = 2, find the value of 3x + 5
Answer: 11 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:6
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 7, 10, 10
Answer: 9