Keystones — Bedrock
Five GCSE retrieval questions · 30 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 46
Answer: 22 + 46 = 68 -
2. Algebra Substitution
If x = 6, find the value of 7x + 4
Answer: 46 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 8, 17, 10, 25
Answer: 15