Keystones — Bedrock
Five GCSE retrieval questions · 18 January 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 31
Answer: 11 + 31 = 42 -
2. Algebra Substitution
If x = 6, find the value of 3x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 4, 11, 18
Answer: 11