Keystones — Bedrock
Five GCSE retrieval questions · 9 November 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 52
Answer: 45 + 52 = 97 -
2. Algebra Substitution
If x = 8, find the value of 2x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 10, 6, 11
Answer: 9