Keystones — Bedrock
Five GCSE retrieval questions · 25 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 33
Answer: 44 + 33 = 77 -
2. Algebra Substitution
If x = 7, find the value of 4x + 12
Answer: 40 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 13, 4, 13
Answer: 10