Keystones — Bedrock
Five GCSE retrieval questions · 18 October 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 17
Answer: 46 + 17 = 63 -
2. Algebra Substitution
If x = 5, find the value of 5x + 5
Answer: 30 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:24
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 13, 3, 17
Answer: 11