Keystones — Bedrock
Five GCSE retrieval questions · 21 June 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 25
Answer: 23 + 25 = 48 -
2. Algebra Substitution
If x = 2, find the value of 7x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:20
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 4, 10, 16
Answer: 10