Keystones — Bedrock
Five GCSE retrieval questions · 25 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 34
Answer: 48 + 34 = 82 -
2. Algebra Substitution
If x = 3, find the value of 6x + 6
Answer: 24 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 20, 19, 10, 3, 2
Answer: 10.8