Keystones — Bedrock
Five GCSE retrieval questions · 14 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 36
Answer: 40 + 36 = 76 -
2. Algebra Substitution
If x = 5, find the value of 2x + 10
Answer: 20 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 14, 8, 12, 10
Answer: 11