Keystones — Bedrock
Five GCSE retrieval questions · 24 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 53
Answer: 72 + 53 = 125 -
2. Algebra Substitution
If x = 9, find the value of 2x + 8
Answer: 26 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:15
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 11, 18, 10, 13
Answer: 13