Keystones — Bedrock
Five GCSE retrieval questions · 11 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 31
Answer: 13 + 31 = 44 -
2. Algebra Substitution
If x = 3, find the value of 3x + 4
Answer: 13 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 7, 5, 3
Answer: 5