Keystones — Bedrock
Five GCSE retrieval questions · 27 August 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 30
Answer: 18 + 30 = 48 -
2. Algebra Substitution
If x = 8, find the value of 4x + 10
Answer: 42 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 19, 20, 12
Answer: 17