Keystones — Bedrock
Five GCSE retrieval questions · 27 November 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 65 + 45
Answer: 65 + 45 = 110 -
2. Algebra Substitution
If x = 10, find the value of 7x + 9
Answer: 79 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 7, 5, 8, 16
Answer: 9