Keystones — Bedrock
Five GCSE retrieval questions · 22 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 13
Answer: 33 + 13 = 46 -
2. Algebra Substitution
If x = 7, find the value of 3x + 3
Answer: 24 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 13, 11, 20, 12
Answer: 14