Keystones — Bedrock
Five GCSE retrieval questions · 20 August 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 38
Answer: 24 + 38 = 62 -
2. Algebra Substitution
If x = 4, find the value of 3x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:16
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 18, 6, 6
Answer: 10