Keystones — Bedrock
Five GCSE retrieval questions · 27 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 66
Answer: 71 + 66 = 137 -
2. Algebra Substitution
If x = 4, find the value of 3x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 13, 8, 6, 5
Answer: 8