Keystones — Bedrock
Five GCSE retrieval questions · 17 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 45
Answer: 37 + 45 = 82 -
2. Algebra Substitution
If x = 7, find the value of 6x + 4
Answer: 46 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 8, 13, 12, 7
Answer: 10