Keystones — Bedrock
Five GCSE retrieval questions · 4 July 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 39
Answer: 16 + 39 = 55 -
2. Algebra Substitution
If x = 6, find the value of 4x + 10
Answer: 34 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 15, 18, 9
Answer: 14