Keystones — Bedrock
Five GCSE retrieval questions · 14 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 44
Answer: 34 + 44 = 78 -
2. Algebra Substitution
If x = 7, find the value of 4x + 11
Answer: 39 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 9, 20, 13
Answer: 14