Keystones — Bedrock
Five GCSE retrieval questions · 7 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 83
Answer: 42 + 83 = 125 -
2. Algebra Substitution
If x = 5, find the value of 6x + 9
Answer: 39 -
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: 13, 6, 2
Answer: 7