Keystones — Bedrock
Five GCSE retrieval questions · 24 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 35
Answer: 85 + 35 = 120 -
2. Algebra Substitution
If x = 2, find the value of 8x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 20, 15, 10
Answer: 15