Keystones — Bedrock
Five GCSE retrieval questions · 25 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 61 + 22
Answer: 61 + 22 = 83 -
2. Algebra Substitution
If x = 5, find the value of 2x + 6
Answer: 16 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:25
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 5, 20, 12, 11
Answer: 12