Definition Of Part-Whole

Part-Whole is a ratio or a fraction that represents a relationship between a part and its whole.

Examples of Part-Whole

Suppose a bag contains 4 apples , 8 bananas, and 12 apricots. Then the part-whole ratio of apples is , the part-whole ratio of bananas is  , and the part-whole ratio of apricots is .

Video Examples: Part Part Whole Fact Family Example

Solved Example on Part-Whole

Ques: A box contains red, white, and black balls in the ratio of 1: 3: 4. What is the part-whole ratio of white balls in the box, if the total number of balls is 56?

Choices:

A. 
B. 
C. 
D. 
Correct Answer: A

Solution:

Step 1: The total number of the balls is 56, and the ratio of the red, white, and black balls in the box is 1: 3: 4.
Step 2: Then the number of white balls in the box =  × 56 = 21.
Step 3: Therefore, the part-whole ratio of white balls =  =  =  .

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