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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

5. Adding and Subtracting Real Numbers

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Exercise 3 Page 33

Adding can be thought of as going right on the number line.

-3

Practice makes perfect

Let's perform the addition.

-12 +9

Add terms

-3

Below we will demonstrate by finding - 12 and moving 9 units to the right on the number line.

The resulting position after moving to the right on the number line is the sum. - 12+9=- 3

Subchapter links

Lesson Check p.33

Practice and Problem-Solving Exercises p.34-36

Standardized Test Prep p.36

Mixed Review p.36