Keystones — Bedrock
Five GCSE retrieval questions · 2 February 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 27
Answer: 44 + 27 = 71 -
2. Algebra Substitution
If x = 2, find the value of 6x + 10
Answer: 22 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 16, 15, 12, 14, 3
Answer: 12