Keystones — Bedrock
Five GCSE retrieval questions · 8 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 62
Answer: 53 + 62 = 115 -
2. Algebra Substitution
If x = 9, find the value of 5x + 5
Answer: 50 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 7, 2, 9, 7, 5
Answer: 6