Keystones — Bedrock
Five GCSE retrieval questions · 24 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 20
Answer: 50 + 20 = 70 -
2. Algebra Substitution
If x = 4, find the value of 5x + 8
Answer: 28 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 14, 5, 10, 15, 6
Answer: 10