Keystones — Bedrock
Five GCSE retrieval questions · 13 November 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 10
Answer: 20 + 10 = 30 -
2. Algebra Substitution
If x = 3, find the value of 2x + 4
Answer: 10 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 17, 7, 7
Answer: 10.333333333333