Keystones — Bedrock
Five GCSE retrieval questions · 21 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 36
Answer: 20 + 36 = 56 -
2. Algebra Substitution
If x = 3, find the value of 4x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 3, 17, 7, 9
Answer: 9