Keystones — Bedrock
Five GCSE retrieval questions · 9 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 67
Answer: 84 + 67 = 151 -
2. Algebra Substitution
If x = 7, find the value of 3x + 6
Answer: 27 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 6, 14, 20, 20
Answer: 15