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DECOMPOSITION

Decomposition

Definition Of Decomposition

Decomposition is a method of subtraction by using the method of borrowing from the minuend.

Example of Decomposition

Subtract:

                        example of  Decomposition
Solution::
                      example of  Decomposition

Video Examples: How to Factor (Decomposition)
 

Solved Example on Decomposition

Ques: Subtract:

                         example of  Decomposition

Choices:

A. 227
B. 237
C. 217
D. 327
Correct Answer: A

Solution:

Step 1:             

            example of  Decomposition

                    

Quick Summary

  • Decomposition involves borrowing from the next higher place value when the digit being subtracted is larger than the digit it's being subtracted from.
  • This method breaks down numbers into smaller parts to make subtraction easier.
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🍎 Teacher Insights

Use visual aids like base-ten blocks to demonstrate the concept of borrowing and decomposition.

🎓 Prerequisites

  • Basic Subtraction
  • Place Value

Check Your Knowledge

Q1: What is the first step in subtracting 36 from 72 using decomposition?

Frequently Asked Questions

Q: When do I need to use decomposition?
A: Use decomposition when the digit you are subtracting is larger than the digit you are subtracting from.

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