Keystones — Bedrock
Five GCSE retrieval questions · 19 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 38
Answer: 11 + 38 = 49 -
2. Algebra Substitution
If x = 6, find the value of 7x + 3
Answer: 45 -
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: 5, 18, 9, 6, 7
Answer: 9