Keystones — Bedrock
Five GCSE retrieval questions · 4 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 34
Answer: 33 + 34 = 67 -
2. Algebra Substitution
If x = 5, find the value of 3x + 5
Answer: 20 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 5, 19, 21
Answer: 15