Keystones — Bedrock
Five GCSE retrieval questions · 27 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 40
Answer: 44 + 40 = 84 -
2. Algebra Substitution
If x = 4, find the value of 2x + 5
Answer: 13 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 10, 18, 6, 15
Answer: 12.25