Keystones — Bedrock
Five GCSE retrieval questions · 28 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 12
Answer: 41 + 12 = 53 -
2. Algebra Substitution
If x = 3, find the value of 8x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 5, 4, 18
Answer: 9