Keystones — Bedrock
Five GCSE retrieval questions · 27 November 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 26
Answer: 36 + 26 = 62 -
2. Algebra Substitution
If x = 9, find the value of 3x + 11
Answer: 38 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 20, 3, 11, 14
Answer: 12