Keystones — Bedrock
Five GCSE retrieval questions · 18 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 36
Answer: 24 + 36 = 60 -
2. Algebra Substitution
If x = 8, find the value of 3x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 15, 15, 3, 13, 19
Answer: 13