Keystones — Bedrock
Five GCSE retrieval questions · 18 November 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 56
Answer: 86 + 56 = 142 -
2. Algebra Substitution
If x = 3, find the value of 2x + 3
Answer: 9 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:15
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 15, 19, 18, 9
Answer: 15.25