Keystones — Bedrock
Five GCSE retrieval questions · 28 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 33
Answer: 40 + 33 = 73 -
2. Algebra Substitution
If x = 4, find the value of 4x + 7
Answer: 23 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:40
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 9, 8, 22
Answer: 13