Keystones — Bedrock
Five GCSE retrieval questions · 29 August 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 60
Answer: 50 + 60 = 110 -
2. Algebra Substitution
If x = 6, find the value of 2x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 7, 7, 2, 16
Answer: 8