Keystones — Bedrock
Five GCSE retrieval questions · 20 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 40
Answer: 15 + 40 = 55 -
2. Algebra Substitution
If x = 4, find the value of 2x + 6
Answer: 14 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 9, 6, 15
Answer: 10