Keystones — Bedrock
Five GCSE retrieval questions · 29 September 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 41
Answer: 28 + 41 = 69 -
2. Algebra Substitution
If x = 2, find the value of 4x + 10
Answer: 18 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 19, 7, 3, 15
Answer: 11