Keystones — Bedrock
Five GCSE retrieval questions · 19 November 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 32
Answer: 45 + 32 = 77 -
2. Algebra Substitution
If x = 3, find the value of 2x + 10
Answer: 16 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 11, 12, 14, 19
Answer: 14