Keystones — Bedrock
Five GCSE retrieval questions · 17 October 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 60 + 72
Answer: 60 + 72 = 132 -
2. Algebra Substitution
If x = 2, find the value of 6x + 10
Answer: 22 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 14, 15, 4, 3
Answer: 9