Keystones — Bedrock
Five GCSE retrieval questions · 13 February 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 27
Answer: 35 + 27 = 62 -
2. Algebra Substitution
If x = 7, find the value of 5x + 7
Answer: 42 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:10
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 24, 10, 10, 16
Answer: 15