Keystones — Bedrock
Five GCSE retrieval questions · 6 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 82 + 91
Answer: 82 + 91 = 173 -
2. Algebra Substitution
If x = 3, find the value of 4x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:25
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 5, 15, 2, 19
Answer: 10.25