Keystones — Bedrock
Five GCSE retrieval questions · 15 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 44
Answer: 55 + 44 = 99 -
2. Algebra Substitution
If x = 5, find the value of 7x + 7
Answer: 42 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 13, 4, 14, 5, 9
Answer: 9