Keystones — Bedrock
Five GCSE retrieval questions · 23 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 46
Answer: 24 + 46 = 70 -
2. Algebra Substitution
If x = 5, find the value of 6x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 25, 17, 4, 10
Answer: 14