Keystones — Bedrock
Five GCSE retrieval questions · 29 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 44
Answer: 41 + 44 = 85 -
2. Algebra Substitution
If x = 5, find the value of 3x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 16, 20, 18, 2, 14
Answer: 14