Keystones — Bedrock
Five GCSE retrieval questions · 7 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 78
Answer: 90 + 78 = 168 -
2. Algebra Substitution
If x = 2, find the value of 7x + 8
Answer: 22 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 4, 5, 18
Answer: 9