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Chapter 2    Integers

2-8    Dividing Signed Integers

Procedure

The procedure for dividing signed integers is basically identical to the procedure for multiplying them:

Step 1: Divide the absolute value of the terms.
Step 2: Give the appropriate sign to the quotient.
  • Positive if the terms both have the same sign.
  • Negative if the terms have opposite signs.


Figure 2-x. Terminology for the division of signed integers.

There is no difference between the way you should handle the signs for multiplication and division--positive result for same signs, negative result for opposite signs.


Dividing signed integers.

Example

(+ 14) � (+ 2) =   ? 

The Problem

 

(+ 14) � (+ 2) =   ? 

Step 1: Divide the absolute value of the terms.

|+14| � |+2| = 7  

Step 2: Assign the appropriate to the quotient.

Both terms are positive, so the result is positive, +7  
The Solution

 

(+ 14) � (+ 2) = (+ 7)

Or more simply as:

14 � 2 = 7

 

Example

(+ 24) � (– 8) =   ? 

The Problem

 

(+ 24) � (– 8) =   ? 

Step 1: Divide the absolute value of the terms.

|+24| � |– 8| = 3  

Step 2: Assign the appropriate sign to the quotient

The terms have opposite signs, so the result is negative, – 3  
The Solution

 

(+ 24) � (– 8) = (– 3)

Or more simply as:

24 � – 8 = – 3

 

Exercises

Complete the division operations.
Click the  ?  symbol to see the correct answers.

1.    (+  6) � (+ 2) =  ?  2.   (–  9) � (– 3) =  ? 
3.    (+  18) � (– 9) =  ?  4.   (–  6) � (+ 2) =  ? 
5.     (– 30) � (+ 5)=  ?  6.   (+ 16) � (– 4) =  ? 
7.     (– 21) � (– 7) =  ?  8.   (+ 24) � (+ 12) =  ? 

Author: David L. Heiserman
Publisher: SweetHaven Publishing Services

Copyright � 2006, David L. Heiserman
All Rights Reserved