Keystones — Bedrock
Five GCSE retrieval questions · 24 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 62 + 78
Answer: 62 + 78 = 140 -
2. Algebra Substitution
If x = 10, find the value of 3x + 7
Answer: 37 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 19, 15, 10, 4
Answer: 12