Keystones — Bedrock
Five GCSE retrieval questions · 3 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 58 + 63
Answer: 58 + 63 = 121 -
2. Algebra Substitution
If x = 2, find the value of 2x + 9
Answer: 13 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 19, 6, 7, 20
Answer: 13