Keystones — Bedrock
Five GCSE retrieval questions · 10 August 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 54
Answer: 31 + 54 = 85 -
2. Algebra Substitution
If x = 4, find the value of 5x + 9
Answer: 29 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:16
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 6, 17, 22
Answer: 15