Keystones — Bedrock
Five GCSE retrieval questions · 31 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 36
Answer: 31 + 36 = 67 -
2. Algebra Substitution
If x = 6, find the value of 3x + 12
Answer: 30 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 7, 18, 6, 25
Answer: 14