Keystones — Bedrock
Five GCSE retrieval questions · 14 March 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 82
Answer: 90 + 82 = 172 -
2. Algebra Substitution
If x = 4, find the value of 5x + 6
Answer: 26 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:28
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 17, 8, 11
Answer: 12