Keystones — Bedrock
Five GCSE retrieval questions · 30 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 28
Answer: 12 + 28 = 40 -
2. Algebra Substitution
If x = 3, find the value of 3x + 4
Answer: 13 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 4, 9, 4, 19
Answer: 9