Keystones — Bedrock
Five GCSE retrieval questions · 30 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 92 + 43
Answer: 92 + 43 = 135 -
2. Algebra Substitution
If x = 7, find the value of 2x + 11
Answer: 25 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 18, 14, 10, 10
Answer: 13