Keystones — Bedrock
Five GCSE retrieval questions · 30 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 26
Answer: 43 + 26 = 69 -
2. Algebra Substitution
If x = 2, find the value of 3x + 3
Answer: 9 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 13, 3, 16, 14, 9
Answer: 11