Keystones — Bedrock
Five GCSE retrieval questions · 25 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 17
Answer: 12 + 17 = 29 -
2. Algebra Substitution
If x = 3, find the value of 8x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 7, 16, 18, 8, 11
Answer: 12