Keystones — Bedrock
Five GCSE retrieval questions · 20 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 42
Answer: 48 + 42 = 90 -
2. Algebra Substitution
If x = 5, find the value of 3x + 4
Answer: 19 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 4, 23, 3
Answer: 10