Keystones — Bedrock
Five GCSE retrieval questions · 15 October 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 60
Answer: 91 + 60 = 151 -
2. Algebra Substitution
If x = 3, find the value of 3x + 7
Answer: 16 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 6, 1, 3, 18
Answer: 7