Keystones — Bedrock
Five GCSE retrieval questions · 21 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 34
Answer: 40 + 34 = 74 -
2. Algebra Substitution
If x = 4, find the value of 6x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 4, 11, 17, 8
Answer: 10