Keystones — Bedrock
Five GCSE retrieval questions · 12 November 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 47
Answer: 15 + 47 = 62 -
2. Algebra Substitution
If x = 7, find the value of 6x + 3
Answer: 45 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:16
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 7, 10, 4, 15
Answer: 9