Keystones — Bedrock
Five GCSE retrieval questions · 27 November 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 42
Answer: 44 + 42 = 86 -
2. Algebra Substitution
If x = 6, find the value of 3x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 9, 20, 4
Answer: 11