Keystones — Bedrock
Five GCSE retrieval questions · 6 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 15
Answer: 11 + 15 = 26 -
2. Algebra Substitution
If x = 5, find the value of 5x + 3
Answer: 28 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 14, 9, 22
Answer: 15