Keystones — Bedrock
Five GCSE retrieval questions · 1 July 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 45
Answer: 25 + 45 = 70 -
2. Algebra Substitution
If x = 4, find the value of 6x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 2, 6, 13
Answer: 7