Keystones — Bedrock
Five GCSE retrieval questions · 11 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 15 + 30
Answer: 15 + 30 = 45 -
2. Algebra Substitution
If x = 6, find the value of 7x + 11
Answer: 53 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 2, 23, 17
Answer: 14