Keystones — Bedrock
Five GCSE retrieval questions · 1 November 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 28
Answer: 20 + 28 = 48 -
2. Algebra Substitution
If x = 2, find the value of 6x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 4, 8, 16, 8
Answer: 9