Keystones — Bedrock
Five GCSE retrieval questions · 12 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 26
Answer: 43 + 26 = 69 -
2. Algebra Substitution
If x = 7, find the value of 5x + 4
Answer: 39 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 3, 19, 4, 18
Answer: 11