Keystones — Bedrock
Five GCSE retrieval questions · 2 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 65 + 67
Answer: 65 + 67 = 132 -
2. Algebra Substitution
If x = 7, find the value of 5x + 3
Answer: 38 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 2, 12, 5, 19, 13
Answer: 10.2