Keystones — Bedrock
Five GCSE retrieval questions · 22 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 10
Answer: 17 + 10 = 27 -
2. Algebra Substitution
If x = 5, find the value of 3x + 3
Answer: 18 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:10
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 20, 19, 8, 12
Answer: 14.75