Keystones — Bedrock
Five GCSE retrieval questions · 31 December 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 39
Answer: 17 + 39 = 56 -
2. Algebra Substitution
If x = 2, find the value of 5x + 11
Answer: 21 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 7, 10, 9, 10
Answer: 9