Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 11
Answer: 17 + 11 = 28 -
2. Algebra Substitution
If x = 8, find the value of 3x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:25
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 18, 16, 9, 2, 10
Answer: 11