Keystones — Bedrock
Five GCSE retrieval questions · 5 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 11
Answer: 30 + 11 = 41 -
2. Algebra Substitution
If x = 9, find the value of 4x + 3
Answer: 39 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:9
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 9, 7, 17
Answer: 11