Keystones — Bedrock
Five GCSE retrieval questions · 4 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 82
Answer: 72 + 82 = 154 -
2. Algebra Substitution
If x = 3, find the value of 2x + 9
Answer: 15 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 22, 6, 8
Answer: 12