Keystones — Bedrock
Five GCSE retrieval questions · 9 June 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 46
Answer: 30 + 46 = 76 -
2. Algebra Substitution
If x = 5, find the value of 6x + 12
Answer: 42 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:16
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 8, 13, 9, 2
Answer: 8