Keystones — Bedrock
Five GCSE retrieval questions · 26 November 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 26
Answer: 15 + 26 = 41 -
2. Algebra Substitution
If x = 10, find the value of 6x + 3
Answer: 63 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 11, 6, 6, 5
Answer: 7