Positive and negative numbers are everywhere in the world around us. Whether it's charged particles in atoms, a hot air balloon rising and falling in the sky, or a series of bills and checks being delivered in the mail, this resource offers some unique ideas for teaching young mathematicians how to model the addition and subtraction of integers.

Concepts

integers, positive numbers, negative numbers, positive integers, negative integers, addition negative numbers, subtraction negative numbers, negative number sentences

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Additional Tags

math

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Instructional Ideas

• Introduce these models as guided practice activities during a lesson series on adding and subtracting integers
• After familiarizing students with adding and subtracting integers, have them work in small groups creating their own real-world models to share with the class

Pros

• Includes five different approaches to modeling integers, each supported by multiple examples
• Offers a hands-on collaborative activity for teaching about adding and subtracting integers

Cons

• None

Common Core

6.NS.C.5 6.NS.C.6.a 6.NS.C.6.c 6.NS.C.7.a 6.NS.C.7.c 7.NS.A.1.a 7.NS.A.1.b 7.NS.A.1.c 7.NS.A.1.d MP6 MP8