Keystones — Bedrock
Five GCSE retrieval questions · 14 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 59
Answer: 23 + 59 = 82 -
2. Algebra Substitution
If x = 5, find the value of 5x + 5
Answer: 30 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:18
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 14, 20, 4, 18
Answer: 14