Keystones — Bedrock
Five GCSE retrieval questions · 28 March 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 17
Answer: 17 + 17 = 34 -
2. Algebra Substitution
If x = 7, find the value of 3x + 12
Answer: 33 -
3. Geometry Converting lengths
Convert 44cm to mm
Answer: 440mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 12, 18, 3, 7
Answer: 10