Keystones — Bedrock
Five GCSE retrieval questions · 23 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 28
Answer: 68 + 28 = 96 -
2. Algebra Substitution
If x = 2, find the value of 5x + 3
Answer: 13 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 6, 11, 15, 5, 18
Answer: 11