Keystones — Bedrock
Five GCSE retrieval questions · 14 June 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 24
Answer: 37 + 24 = 61 -
2. Algebra Substitution
If x = 7, find the value of 4x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 20, 20, 4, 13, 8
Answer: 13