Keystones — Bedrock
Five GCSE retrieval questions · 22 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 57
Answer: 50 + 57 = 107 -
2. Algebra Substitution
If x = 9, find the value of 3x + 11
Answer: 38 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 13, 3, 14, 19, 16
Answer: 13