Keystones — Bedrock
Five GCSE retrieval questions · 10 January 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 78
Answer: 66 + 78 = 144 -
2. Algebra Substitution
If x = 3, find the value of 6x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 11, 3, 25
Answer: 13