Keystones — Bedrock
Five GCSE retrieval questions · 18 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 49
Answer: 10 + 49 = 59 -
2. Algebra Substitution
If x = 2, find the value of 2x + 10
Answer: 14 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 6, 1, 13, 11, 14
Answer: 9