Keystones — Bedrock
Five GCSE retrieval questions · 26 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 30
Answer: 73 + 30 = 103 -
2. Algebra Substitution
If x = 2, find the value of 2x + 10
Answer: 14 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 18, 6, 23, 9
Answer: 14