Keystones — Bedrock
Five GCSE retrieval questions · 18 February 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 30
Answer: 45 + 30 = 75 -
2. Algebra Substitution
If x = 10, find the value of 5x + 6
Answer: 56 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 14, 17, 9, 12, 11
Answer: 12.6