Keystones — Bedrock
Five GCSE retrieval questions · 27 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 25
Answer: 49 + 25 = 74 -
2. Algebra Substitution
If x = 2, find the value of 4x + 6
Answer: 14 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 1, 13, 4
Answer: 6