Keystones — Bedrock
Five GCSE retrieval questions · 1 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 48
Answer: 74 + 48 = 122 -
2. Algebra Substitution
If x = 6, find the value of 5x + 5
Answer: 35 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 23, 3, 7, 4, 3
Answer: 8