Keystones — Bedrock
Five GCSE retrieval questions · 7 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 37
Answer: 41 + 37 = 78 -
2. Algebra Substitution
If x = 2, find the value of 5x + 5
Answer: 15 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 5, 3, 16, 16
Answer: 10