Keystones — Bedrock
Five GCSE retrieval questions · 25 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 43
Answer: 41 + 43 = 84 -
2. Algebra Substitution
If x = 5, find the value of 7x + 7
Answer: 42 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:15
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 9, 16, 7, 7, 6
Answer: 9