Keystones — Bedrock
Five GCSE retrieval questions · 13 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 49
Answer: 30 + 49 = 79 -
2. Algebra Substitution
If x = 6, find the value of 3x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 8, 5, 20
Answer: 11