Keystones — Bedrock
Five GCSE retrieval questions · 16 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 40
Answer: 27 + 40 = 67 -
2. Algebra Substitution
If x = 9, find the value of 2x + 11
Answer: 29 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 2, 2, 20, 16
Answer: 10