Keystones — Bedrock
Five GCSE retrieval questions · 24 November 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 29
Answer: 20 + 29 = 49 -
2. Algebra Substitution
If x = 6, find the value of 3x + 11
Answer: 29 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 9, 4, 16
Answer: 9.6666666666667