Keystones — Bedrock
Five GCSE retrieval questions · 23 September 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 34 + 31
Answer: 34 + 31 = 65 -
2. Algebra Substitution
If x = 10, find the value of 5x + 8
Answer: 58 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 7, 13, 14, 14
Answer: 12