Keystones — Bedrock
Five GCSE retrieval questions · 28 February 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 25
Answer: 68 + 25 = 93 -
2. Algebra Substitution
If x = 7, find the value of 2x + 3
Answer: 17 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 4, 9, 4, 6, 7
Answer: 6