Keystones — Bedrock
Five GCSE retrieval questions · 28 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 11
Answer: 23 + 11 = 34 -
2. Algebra Substitution
If x = 7, find the value of 4x + 6
Answer: 34 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 7, 1, 12, 4
Answer: 6