Keystones — Bedrock
Five GCSE retrieval questions · 19 November 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 79
Answer: 44 + 79 = 123 -
2. Algebra Substitution
If x = 7, find the value of 4x + 10
Answer: 38 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 18, 9, 3
Answer: 10