Keystones — Bedrock
Five GCSE retrieval questions · 28 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 30
Answer: 46 + 30 = 76 -
2. Algebra Substitution
If x = 8, find the value of 6x + 11
Answer: 59 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 5, 7, 14, 18
Answer: 11