Keystones — Bedrock
Five GCSE retrieval questions · 16 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 80
Answer: 41 + 80 = 121 -
2. Algebra Substitution
If x = 9, find the value of 7x + 12
Answer: 75 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 22, 12, 8
Answer: 14