Keystones — Bedrock
Five GCSE retrieval questions · 5 November 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 39
Answer: 36 + 39 = 75 -
2. Algebra Substitution
If x = 6, find the value of 3x + 5
Answer: 23 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 25, 9, 5
Answer: 13