A part-to-whole ratio compares a part of a whole to the whole. The ratio of peppers to the total number of ingredients in a salad is a part-to-whole ratio. A part-to-whole ratio can be thought of as a fraction because a fraction also tells you the relationship between a part of a whole and the whole. However, not all ratios are fractions. A part-to-part ratio is not a fraction because it compares a part of a whole to another part of a whole. The ratio of meatballs to the total number of toppings on a pizza is 2:5. Can this be thought of as a fraction? A No because ratios can never be thought of as fractions. B No because it’s a part-to-part ratio, and not a part-to-whole. C Yes because it’s a part-to-whole ratio. D Yes because it’s a part-to-part ratio.
A part-to-whole ratio compares a part of a whole to the whole. The ratio of peppers to the total number of ingredients in a salad is a part-to-whole ratio. A part-to-whole ratio can be thought of as a fraction because a fraction also tells you the relationship between a part of a whole and the whole. However, not all ratios are fractions. A part-to-part ratio is not a fraction because it compares a part of a whole to another part of a whole.
The ratio of meatballs to the total number of toppings on a pizza is 2:5. Can this be thought of as a fraction?
- A
No because ratios can never be thought of as fractions.
- B
No because it’s a part-to-part ratio, and not a part-to-whole.
- C
Yes because it’s a part-to-whole ratio.
- D
Yes because it’s a part-to-part ratio.
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