Keystones — Bedrock
Five GCSE retrieval questions · 6 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 37
Answer: 24 + 37 = 61 -
2. Algebra Substitution
If x = 2, find the value of 7x + 3
Answer: 17 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 11, 17, 17
Answer: 15