Keystones — Bedrock
Five GCSE retrieval questions · 20 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 16
Answer: 28 + 16 = 44 -
2. Algebra Substitution
If x = 6, find the value of 5x + 7
Answer: 37 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:21
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 5, 18, 17, 3, 2
Answer: 9