Keystones — Bedrock
Five GCSE retrieval questions · 29 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 34
Answer: 97 + 34 = 131 -
2. Algebra Substitution
If x = 3, find the value of 5x + 12
Answer: 27 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 23, 5, 12, 12
Answer: 13