body{margin:0;} noscript{z-index: 10000; position: fixed; display: block; height: 100%; width: 100%; background: #fff;} noscript .fa{font-size: 40px; display:block; color: #daa520;} noscript div{margin-top: 6%; padding-left: 20px; padding-right: 20px; text-align: center;} ! You must have JavaScript enabled to use this site.

Pearson Algebra 1 Common Core, 2011

PA

Pearson Algebra 1 Common Core, 2011 View details

5. Adding and Subtracting Real Numbers

Continue to next subchapter

Exercise 5 Page 33

Instead of subtracting a negative number, you can add.

2

Practice makes perfect

Let's perform the subtraction.

- 3 -(- 5)

a-(- b)=a+b

- 3 +5

Add terms

2

We can see that subtracting a negative number is the same as adding its positive counterpart. Below we will demonstrate by finding - 3 and moving 5 units to the right on the number line.

The resulting position after moving to the right on the number line is the sum. 20+(-7)=13

Subchapter links

Lesson Check p.33

Practice and Problem-Solving Exercises p.34-36

Standardized Test Prep p.36

Mixed Review p.36