Keystones — Bedrock
Five GCSE retrieval questions · 22 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 76 + 55
Answer: 76 + 55 = 131 -
2. Algebra Substitution
If x = 8, find the value of 3x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 14, 17, 9, 20
Answer: 15