Keystones — Bedrock
Five GCSE retrieval questions · 5 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 46
Answer: 39 + 46 = 85 -
2. Algebra Substitution
If x = 6, find the value of 4x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 10, 14, 24, 7, 10
Answer: 13