Keystones — Bedrock
Five GCSE retrieval questions · 30 November 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 52 + 50
Answer: 52 + 50 = 102 -
2. Algebra Substitution
If x = 7, find the value of 8x + 4
Answer: 60 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 11, 20, 2
Answer: 11