Keystones — Bedrock
Five GCSE retrieval questions · 10 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 92
Answer: 80 + 92 = 172 -
2. Algebra Substitution
If x = 5, find the value of 3x + 4
Answer: 19 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 9, 2, 17, 6, 11
Answer: 9