Keystones — Bedrock
Five GCSE retrieval questions · 10 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 38
Answer: 37 + 38 = 75 -
2. Algebra Substitution
If x = 10, find the value of 2x + 4
Answer: 24 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 12, 18, 15
Answer: 15