Keystones — Bedrock
Five GCSE retrieval questions · 10 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 27
Answer: 47 + 27 = 74 -
2. Algebra Substitution
If x = 2, find the value of 8x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 2, 5, 20, 3, 10
Answer: 8