Keystones — Bedrock
Five GCSE retrieval questions · 9 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 14
Answer: 14 + 14 = 28 -
2. Algebra Substitution
If x = 5, find the value of 6x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 4, 14, 12, 3, 12
Answer: 9