Keystones — Bedrock
Five GCSE retrieval questions · 1 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 35
Answer: 50 + 35 = 85 -
2. Algebra Substitution
If x = 2, find the value of 7x + 10
Answer: 24 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:25
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 21, 2, 19
Answer: 14