Keystones — Bedrock
Five GCSE retrieval questions · 17 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 34
Answer: 12 + 34 = 46 -
2. Algebra Substitution
If x = 3, find the value of 3x + 12
Answer: 21 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 3, 14, 4, 11, 18
Answer: 10