Keystones — Bedrock
Five GCSE retrieval questions · 1 November 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 85 + 67
Answer: 85 + 67 = 152 -
2. Algebra Substitution
If x = 2, find the value of 3x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 8, 20, 16, 16
Answer: 15