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Study Guides > Prealgebra

Introduction to Subtracting Integers

A photo of the Chicago skyline during a freezing, snowy winter What's the difference between the temperature in Chicago and the temperature in Los Angeles?
Do you ever compare the weather where you are with the weather where your friends or family members live? Imagine that it's winter, and you call your parents in Chicago from your house in Los Angeles, where the temperature is [latex]65[/latex] degrees. They tell you that the temperature in Chicago, where you grew up, is [latex]-2[/latex] degrees. What's the difference in temperature between the two cities? To find out, you'll need to subtract integers, which you'll learn how to do in this section.  

Learning Outcomes

By the end of this section, you will be able to:
  • Model subtraction of integers
  • Simplify expressions with integers
  • Evaluate variable expressions with integers
  • Translate words phrases to algebraic expressions
  • Subtract integers in applications
  Before you get started in this module, try a few practice problems and review prior concepts.

readiness quiz

1) [ohm_question]144748[/ohm_question] If you missed this problem, review the following video. https://youtu.be/qFUvF5-w9o0 2) [ohm_question]144916[/ohm_question] If you missed this problem, review the following video. https://youtu.be/Hub7ku7UHT4 3) ohm_question]145013[/ohm_question] If you missed this problem, review the following video. https://youtu.be/6jdp2Vl6pt8
 

Licenses & Attributions

CC licensed content, Shared previously

  • Chicago during the Polar Vortex. Authored by: edward stojakovic. Located at: https://www.flickr.com/photos/akasped/11808898455/. License: CC BY: Attribution.
  • Ex: Evaluate an Expression Using the Order of Operations. Authored by: James Sousa (Mathispower4u.com). License: CC BY: Attribution.
  • Write Algebraic Expressions from Statements: Form ax+b and a(x+b). Authored by: James Sousa (Mathispower4u.com). License: CC BY: Attribution.
  • Ex 1: Adding Integers. Authored by: James Sousa (Mathispower4u.com). License: CC BY: Attribution.
  • Question ID: 144748, 144916, 145013. Authored by: Alyson Day. License: CC BY: Attribution. License terms: IMathAS Community License CC-BY + GPL.

CC licensed content, Specific attribution