Keystones — Bedrock
Five GCSE retrieval questions · 15 June 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 72
Answer: 45 + 72 = 117 -
2. Algebra Substitution
If x = 7, find the value of 3x + 5
Answer: 26 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 19, 7, 19
Answer: 15