Keystones — Bedrock
Five GCSE retrieval questions · 22 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 34
Answer: 45 + 34 = 79 -
2. Algebra Substitution
If x = 4, find the value of 5x + 4
Answer: 24 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 11, 13, 9, 7
Answer: 10