Keystones — Bedrock
Five GCSE retrieval questions · 14 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 67 + 33
Answer: 67 + 33 = 100 -
2. Algebra Substitution
If x = 8, find the value of 5x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 10, 11, 5, 2
Answer: 7