Keystones — Bedrock
Five GCSE retrieval questions · 23 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 37
Answer: 46 + 37 = 83 -
2. Algebra Substitution
If x = 3, find the value of 5x + 5
Answer: 20 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 17, 6, 12, 17
Answer: 13