Keystones — Bedrock
Five GCSE retrieval questions · 4 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 45
Answer: 41 + 45 = 86 -
2. Algebra Substitution
If x = 2, find the value of 7x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:14
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 20, 19, 19, 13, 4
Answer: 15