Keystones — Bedrock
Five GCSE retrieval questions · 27 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 50
Answer: 45 + 50 = 95 -
2. Algebra Substitution
If x = 5, find the value of 5x + 7
Answer: 32 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:25
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 5, 6, 20, 8, 7
Answer: 9.2