Keystones — Bedrock
Five GCSE retrieval questions · 5 February 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 42
Answer: 41 + 42 = 83 -
2. Algebra Substitution
If x = 10, find the value of 3x + 6
Answer: 36 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 15, 3, 15
Answer: 11