Keystones — Bedrock
Five GCSE retrieval questions · 16 November 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 36
Answer: 24 + 36 = 60 -
2. Algebra Substitution
If x = 5, find the value of 4x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:10
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 3, 13, 2, 8, 9
Answer: 7