Keystones — Bedrock
Five GCSE retrieval questions · 12 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 15
Answer: 14 + 15 = 29 -
2. Algebra Substitution
If x = 4, find the value of 2x + 5
Answer: 13 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 24, 10, 2, 6, 3
Answer: 9