Keystones — Bedrock
Five GCSE retrieval questions · 31 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 42
Answer: 24 + 42 = 66 -
2. Algebra Substitution
If x = 3, find the value of 3x + 4
Answer: 13 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 16, 8, 3, 9
Answer: 9