Keystones — Bedrock
Five GCSE retrieval questions · 5 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 45
Answer: 34 + 45 = 79 -
2. Algebra Substitution
If x = 9, find the value of 4x + 9
Answer: 45 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 10, 3, 14, 6, 17
Answer: 10