Keystones — Bedrock
Five GCSE retrieval questions · 28 January 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 28
Answer: 20 + 28 = 48 -
2. Algebra Substitution
If x = 5, find the value of 3x + 6
Answer: 21 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 11, 13, 9, 8
Answer: 10.25