Keystones — Bedrock
Five GCSE retrieval questions · 30 June 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 42
Answer: 14 + 42 = 56 -
2. Algebra Substitution
If x = 3, find the value of 5x + 12
Answer: 27 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 2, 20, 3
Answer: 8.3333333333333