Worked examples
Two examples
Example 1
There are 12 women and 9 men in a class. What is the ratio of men to women?
- The order of the words is the order of the numbers. Men are named first: 9.
- Then women: 12. It can be written three ways.
Answer: 9 to 12, 9 : 12, or 912
Example 2
There are 5 cats and 7 dogs at a shelter. What is the ratio of cats to all the animals?
- Cats first: 5.
- All the animals: 5 + 7 = 12.
Answer: 5 : 12
Where this is taught: Ratio, Proportion, and Percent, “The order matters”
The drill
Ten problems
How many:
Tap your answer to each one, then press Check my answers at the bottom.Circle your answer to each one. The answer key, with the reasoning, is on the last page.