Keystones — Bedrock
Five GCSE retrieval questions · 27 March 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 45
Answer: 16 + 45 = 61 -
2. Algebra Substitution
If x = 2, find the value of 7x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 12, 9, 11, 7, 16
Answer: 11