Keystones — Bedrock
Five GCSE retrieval questions · 24 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 42
Answer: 25 + 42 = 67 -
2. Algebra Substitution
If x = 2, find the value of 5x + 7
Answer: 17 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 5, 7, 6
Answer: 6