Keystones — Bedrock
Five GCSE retrieval questions · 5 October 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 34
Answer: 28 + 34 = 62 -
2. Algebra Substitution
If x = 8, find the value of 2x + 10
Answer: 26 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:6
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 13, 16, 4, 19
Answer: 13