Keystones — Bedrock
Five GCSE retrieval questions · 19 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 27
Answer: 18 + 27 = 45 -
2. Algebra Substitution
If x = 8, find the value of 4x + 3
Answer: 35 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 3, 2, 20
Answer: 9