Keystones — Bedrock
Five GCSE retrieval questions · 24 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 14
Answer: 49 + 14 = 63 -
2. Algebra Substitution
If x = 3, find the value of 5x + 8
Answer: 23 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 4, 19, 18, 7
Answer: 12