Keystones — Bedrock
Five GCSE retrieval questions · 8 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 30
Answer: 24 + 30 = 54 -
2. Algebra Substitution
If x = 4, find the value of 7x + 9
Answer: 37 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 11, 4, 3, 5, 17
Answer: 8