Keystones — Bedrock
Five GCSE retrieval questions · 26 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 11
Answer: 27 + 11 = 38 -
2. Algebra Substitution
If x = 6, find the value of 2x + 7
Answer: 19 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 2, 18, 10
Answer: 10