Keystones — Bedrock
Five GCSE retrieval questions · 1 September 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 38
Answer: 27 + 38 = 65 -
2. Algebra Substitution
If x = 5, find the value of 4x + 3
Answer: 23 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 6, 9, 6
Answer: 7