Keystones — Bedrock
Five GCSE retrieval questions · 8 February 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 45
Answer: 72 + 45 = 117 -
2. Algebra Substitution
If x = 2, find the value of 3x + 12
Answer: 18 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 11, 14, 6, 13
Answer: 11