Keystones — Bedrock
Five GCSE retrieval questions · 10 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 42
Answer: 23 + 42 = 65 -
2. Algebra Substitution
If x = 4, find the value of 3x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 10, 13, 2, 6
Answer: 7.75