Keystones — Bedrock
Five GCSE retrieval questions · 23 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 42
Answer: 14 + 42 = 56 -
2. Algebra Substitution
If x = 6, find the value of 3x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 14, 17, 25, 4
Answer: 15