Keystones — Bedrock
Five GCSE retrieval questions · 7 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 44
Answer: 42 + 44 = 86 -
2. Algebra Substitution
If x = 6, find the value of 3x + 9
Answer: 27 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 19, 13, 4, 8
Answer: 11