Keystones — Bedrock
Five GCSE retrieval questions · 23 October 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 26
Answer: 45 + 26 = 71 -
2. Algebra Substitution
If x = 8, find the value of 5x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 16, 2, 3
Answer: 7