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.A.1.A

Describe situations in which opposite quantities combine to make 0.

7.NS.A.1.B

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.A.1.C

Understand subtraction of rational numbers as adding the additive inverse, p-q=p+(-q). Show that the distance between two rational numbers on the number line is the absolute value of their difference, and apply this principle in real-world contexts.

1.02 Add and subtract integers

Interactive practice questions

Outcomes

7.NS.A.1

7.NS.A.1.A

7.NS.A.1.B

7.NS.A.1.C

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