Keystones — Bedrock
Five GCSE retrieval questions · 6 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 25
Answer: 30 + 25 = 55 -
2. Algebra Substitution
If x = 3, find the value of 8x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 12, 10, 7, 11
Answer: 10