Keystones — Bedrock
Five GCSE retrieval questions · 21 May 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 14
Answer: 14 + 14 = 28 -
2. Algebra Substitution
If x = 4, find the value of 4x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:15
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 12, 12, 5, 11
Answer: 10