Keystones — Bedrock
Five GCSE retrieval questions · 28 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 89
Answer: 57 + 89 = 146 -
2. Algebra Substitution
If x = 2, find the value of 4x + 9
Answer: 17 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 14, 25, 17, 7, 7
Answer: 14