Keystones — Bedrock
Five GCSE retrieval questions · 9 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 77
Answer: 35 + 77 = 112 -
2. Algebra Substitution
If x = 4, find the value of 2x + 3
Answer: 11 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 17, 6, 17, 11, 14
Answer: 13