Keystones — Bedrock
Five GCSE retrieval questions · 30 March 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 57
Answer: 45 + 57 = 102 -
2. Algebra Substitution
If x = 7, find the value of 5x + 6
Answer: 41 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 14, 9, 4
Answer: 9