Sunday, October 18, 2009

Ratio Homework Questions 1-2

1)Janine wants to write the ratio of oranges to apples.
How does she know whether to write 3:4 or 4:3?
The answer is that if the 3 apples and the 4 oranges are different then write down 3:4 and if its 4 oranges and 3 apples then write down 4:3, either way its still the same.

2)Your friend missed the class when ratios were introduced. Use an example and draw a diagram to explain the difference between a part-to-part ratio and a part-to-whole ratio.

This is part-to-part ratio:

and this is a part-to-whole ratio:

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