Keystones — Bedrock
Five GCSE retrieval questions · 9 November 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 44
Answer: 28 + 44 = 72 -
2. Algebra Substitution
If x = 7, find the value of 6x + 12
Answer: 54 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 11, 10, 18, 1
Answer: 10