Keystones — Bedrock
Five GCSE retrieval questions · 6 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 21
Answer: 41 + 21 = 62 -
2. Algebra Substitution
If x = 9, find the value of 5x + 4
Answer: 49 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 7, 17, 4, 11, 11
Answer: 10