Keystones — Bedrock
Five GCSE retrieval questions · 30 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 33
Answer: 13 + 33 = 46 -
2. Algebra Substitution
If x = 2, find the value of 5x + 11
Answer: 21 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:40
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 15, 17, 13
Answer: 15