Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 41
Answer: 38 + 41 = 79 -
2. Algebra Substitution
If x = 2, find the value of 7x + 7
Answer: 21 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 18, 5, 24, 14, 9
Answer: 14