Keystones — Bedrock
Five GCSE retrieval questions · 14 November 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 92 + 55
Answer: 92 + 55 = 147 -
2. Algebra Substitution
If x = 3, find the value of 7x + 4
Answer: 25 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 6, 18, 15
Answer: 13