Keystones — Bedrock
Five GCSE retrieval questions · 12 August 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 78
Answer: 44 + 78 = 122 -
2. Algebra Substitution
If x = 3, find the value of 2x + 11
Answer: 17 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 3, 5, 12, 6, 19
Answer: 9