Keystones — Bedrock
Five GCSE retrieval questions · 31 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 38
Answer: 27 + 38 = 65 -
2. Algebra Substitution
If x = 4, find the value of 2x + 10
Answer: 18 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:6
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 18, 15, 8, 15
Answer: 14