Keystones — Bedrock
Five GCSE retrieval questions · 5 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 49
Answer: 75 + 49 = 124 -
2. Algebra Substitution
If x = 5, find the value of 6x + 6
Answer: 36 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 9, 14, 17, 12
Answer: 13