Keystones — Bedrock
Five GCSE retrieval questions · 6 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 71
Answer: 24 + 71 = 95 -
2. Algebra Substitution
If x = 6, find the value of 6x + 11
Answer: 47 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:24
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 6, 8, 17, 25
Answer: 14