Keystones — Bedrock
Five GCSE retrieval questions · 28 July 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 85
Answer: 71 + 85 = 156 -
2. Algebra Substitution
If x = 9, find the value of 3x + 4
Answer: 31 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 5, 12, 10, 2, 11
Answer: 8