Keystones — Bedrock
Five GCSE retrieval questions · 7 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 26
Answer: 47 + 26 = 73 -
2. Algebra Substitution
If x = 4, find the value of 6x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 6, 7, 7, 16
Answer: 9