Keystones — Bedrock
Five GCSE retrieval questions · 12 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 27
Answer: 20 + 27 = 47 -
2. Algebra Substitution
If x = 4, find the value of 5x + 3
Answer: 23 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 8, 11, 8
Answer: 9