Objective:

Vocabulary:

I can:

• add positive and negative integers. 
• model integer addition in real-life applications.

additive inverse

Essential Questions:

Standards:

• What is the additive inverse of a number?
• How can I determine the sign of the sum when adding integers?
• How can I model adding integers?

7.NS.1.1 - Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram. 
7.NS.1.1b - Understand p + q as the number located a distance |q| from p, in the positive or negative direction depending on whether q is positive or negative. Show that a number and its opposite have a sum of 0 (are additive inverses). Interpret sums of rational numbers by describing real-world contexts. 
​7.NS.1.1d - Apply properties of operations as strategies to add and subtract rational numbers. 

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