Keystones — Bedrock
Five GCSE retrieval questions · 12 November 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 55 + 25
Answer: 55 + 25 = 80 -
2. Algebra Substitution
If x = 6, find the value of 6x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:15
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 12, 22, 7, 11
Answer: 13