Keystones — Bedrock
Five GCSE retrieval questions · 13 November 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 40
Answer: 25 + 40 = 65 -
2. Algebra Substitution
If x = 5, find the value of 4x + 10
Answer: 30 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 16, 20, 8, 17
Answer: 15.25