Keystones — Bedrock
Five GCSE retrieval questions · 9 June 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 40
Answer: 19 + 40 = 59 -
2. Algebra Substitution
If x = 5, find the value of 7x + 4
Answer: 39 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 7, 7, 2, 20
Answer: 9