Keystones — Bedrock
Five GCSE retrieval questions · 23 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 17
Answer: 46 + 17 = 63 -
2. Algebra Substitution
If x = 2, find the value of 7x + 5
Answer: 19 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 11, 16, 18
Answer: 15