Keystones — Bedrock
Five GCSE retrieval questions · 8 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 40
Answer: 73 + 40 = 113 -
2. Algebra Substitution
If x = 3, find the value of 2x + 4
Answer: 10 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 2, 4, 5, 6, 15
Answer: 6.4