Keystones — Bedrock
Five GCSE retrieval questions · 3 November 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 41
Answer: 84 + 41 = 125 -
2. Algebra Substitution
If x = 2, find the value of 8x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 5, 9, 15, 11
Answer: 10