Keystones — Bedrock
Five GCSE retrieval questions · 4 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 34
Answer: 46 + 34 = 80 -
2. Algebra Substitution
If x = 2, find the value of 7x + 9
Answer: 23 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 17, 5, 11, 15
Answer: 12