Keystones — Bedrock
Five GCSE retrieval questions · 25 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 15
Answer: 46 + 15 = 61 -
2. Algebra Substitution
If x = 5, find the value of 4x + 5
Answer: 25 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 7, 5, 6, 5, 2
Answer: 5