Keystones — Bedrock
Five GCSE retrieval questions · 3 August 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 88
Answer: 85 + 88 = 173 -
2. Algebra Substitution
If x = 9, find the value of 6x + 8
Answer: 62 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 19, 11, 5, 11, 9
Answer: 11