Keystones — Bedrock
Five GCSE retrieval questions · 2 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 40
Answer: 45 + 40 = 85 -
2. Algebra Substitution
If x = 10, find the value of 5x + 9
Answer: 59 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 2, 9, 7
Answer: 6