Keystones — Bedrock
Five GCSE retrieval questions · 6 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 44
Answer: 85 + 44 = 129 -
2. Algebra Substitution
If x = 3, find the value of 8x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 7, 4, 18, 15
Answer: 11