Keystones — Bedrock
Five GCSE retrieval questions · 25 November 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 25
Answer: 42 + 25 = 67 -
2. Algebra Substitution
If x = 5, find the value of 4x + 7
Answer: 27 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 3, 13, 20, 12
Answer: 12