Keystones — Bedrock
Five GCSE retrieval questions · 25 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 31
Answer: 46 + 31 = 77 -
2. Algebra Substitution
If x = 4, find the value of 6x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 12, 11, 18, 16, 3
Answer: 12