Keystones — Bedrock
Five GCSE retrieval questions · 13 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 34
Answer: 42 + 34 = 76 -
2. Algebra Substitution
If x = 2, find the value of 3x + 3
Answer: 9 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 3, 6, 5, 9, 17
Answer: 8