Keystones — Bedrock
Five GCSE retrieval questions · 26 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 24
Answer: 84 + 24 = 108 -
2. Algebra Substitution
If x = 10, find the value of 4x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 8, 16, 3, 18, 10
Answer: 11