Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 14
Answer: 45 + 14 = 59 -
2. Algebra Substitution
If x = 9, find the value of 2x + 6
Answer: 24 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 14, 7, 3
Answer: 8