Keystones — Bedrock
Five GCSE retrieval questions · 22 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 42
Answer: 33 + 42 = 75 -
2. Algebra Substitution
If x = 9, find the value of 2x + 5
Answer: 23 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 16, 3, 11
Answer: 10