Definition Of Part-Part

Part-Part is a ratio that represents the relationship of one part of a whole to another part of the same whole.

More About Part-Part

It helps in making proportional judgments.
In Part-Part the degree of numerator is less than the degree of the denominator.

Examples of Part-Part

Suppose there are 10 marbles in a bag, out of which 3 are green in color and the remaining 7 are red in color. Then the part-part ratio of the green marbles to the red marbles is given as  .

Video Examples: Singapore Math Basic Part/Whole Model Lesson

Solved Example on Part-Part

Ques: In a group of 40 people, 25 people attended a meeting and the remaining abstained from the meeting. Find the part-part ratio of the people who attended the meeting to those who abstained from it.

Choices:

A. 
B. 
C. 
D. none of the above
Correct Answer: A

Solution:

Step 1: Part-Part is a ratio that represents relation of one part of the whole to another part of the same whole.
Step 2: Given that the 25 out of 40 people attended the meeting and the remaining 15 abstained from the meeting.
Step 3: Then the part-part ratio of people who attended the meeting to those who abstained from the meeting is .

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