Keystones — Bedrock
Five GCSE retrieval questions · 11 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 32
Answer: 45 + 32 = 77 -
2. Algebra Substitution
If x = 3, find the value of 3x + 6
Answer: 15 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 13, 13, 19
Answer: 15