Keystones — Bedrock
Five GCSE retrieval questions · 9 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 30
Answer: 22 + 30 = 52 -
2. Algebra Substitution
If x = 6, find the value of 6x + 3
Answer: 39 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 4, 18, 8
Answer: 10