Keystones — Bedrock
Five GCSE retrieval questions · 14 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 12
Answer: 36 + 12 = 48 -
2. Algebra Substitution
If x = 3, find the value of 6x + 6
Answer: 24 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 18, 12, 2, 20, 18
Answer: 14