Keystones — Bedrock
Five GCSE retrieval questions · 2 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 94
Answer: 46 + 94 = 140 -
2. Algebra Substitution
If x = 8, find the value of 7x + 10
Answer: 66 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 21, 2, 7
Answer: 10