Keystones — Bedrock
Five GCSE retrieval questions · 22 October 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 14
Answer: 47 + 14 = 61 -
2. Algebra Substitution
If x = 7, find the value of 3x + 5
Answer: 26 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 19, 10, 9, 10
Answer: 12