Keystones — Bedrock
Five GCSE retrieval questions · 23 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 45
Answer: 46 + 45 = 91 -
2. Algebra Substitution
If x = 7, find the value of 8x + 6
Answer: 62 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 3, 15, 15
Answer: 11