Keystones — Bedrock
Five GCSE retrieval questions · 10 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 47
Answer: 15 + 47 = 62 -
2. Algebra Substitution
If x = 6, find the value of 2x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:25
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 15, 4, 12, 9
Answer: 10