Keystones — Bedrock
Five GCSE retrieval questions · 28 November 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 50
Answer: 42 + 50 = 92 -
2. Algebra Substitution
If x = 7, find the value of 5x + 9
Answer: 44 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 20, 4, 9, 3
Answer: 9