Keystones — Bedrock
Five GCSE retrieval questions · 26 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 37
Answer: 47 + 37 = 84 -
2. Algebra Substitution
If x = 4, find the value of 7x + 12
Answer: 40 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 4, 23, 12, 9
Answer: 12