Keystones — Bedrock
Five GCSE retrieval questions · 21 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 10
Answer: 24 + 10 = 34 -
2. Algebra Substitution
If x = 2, find the value of 3x + 12
Answer: 18 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 15, 20, 7
Answer: 14