Keystones — Bedrock
Five GCSE retrieval questions · 19 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 41
Answer: 38 + 41 = 79 -
2. Algebra Substitution
If x = 10, find the value of 6x + 10
Answer: 70 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 20, 2, 22, 8
Answer: 13