Keystones — Bedrock
Five GCSE retrieval questions · 7 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 22
Answer: 34 + 22 = 56 -
2. Algebra Substitution
If x = 4, find the value of 5x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 17, 11, 15, 7, 10
Answer: 12