Keystones — Bedrock
Five GCSE retrieval questions · 28 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 28
Answer: 44 + 28 = 72 -
2. Algebra Substitution
If x = 8, find the value of 3x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 5, 9, 10, 4
Answer: 7