Keystones — Bedrock
Five GCSE retrieval questions · 2 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 14
Answer: 25 + 14 = 39 -
2. Algebra Substitution
If x = 4, find the value of 2x + 6
Answer: 14 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 11, 11, 11
Answer: 11