Keystones — Bedrock
Five GCSE retrieval questions · 6 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 70 + 82
Answer: 70 + 82 = 152 -
2. Algebra Substitution
If x = 4, find the value of 6x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:15
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 20, 2, 5
Answer: 9