Keystones — Bedrock
Five GCSE retrieval questions · 16 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 20
Answer: 45 + 20 = 65 -
2. Algebra Substitution
If x = 8, find the value of 2x + 5
Answer: 21 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:18
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 19, 2, 3
Answer: 8