Keystones — Bedrock
Five GCSE retrieval questions · 15 August 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 61
Answer: 30 + 61 = 91 -
2. Algebra Substitution
If x = 6, find the value of 7x + 3
Answer: 45 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 4, 12, 17, 20, 17
Answer: 14