Keystones — Bedrock
Five GCSE retrieval questions · 3 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 26
Answer: 26 + 26 = 52 -
2. Algebra Substitution
If x = 3, find the value of 6x + 12
Answer: 30 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:18
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 6, 16, 3, 15
Answer: 10