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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 37 Page 34

Subtracting can be thought of as going left on the number line.

- 20.3

Practice makes perfect

Let's perform the subtraction.

- 2.5-17.8

Subtract term

- 20.3

Below we will demonstrate by finding - 2.5 and moving 17.8 units to the left on the number line.

The resulting position after moving to the left on the number line is the difference. - 2.5-17.8=-20.3

Subchapter links

Lesson Check p.33

Practice and Problem-Solving Exercises p.34-36

Standardized Test Prep p.36

Mixed Review p.36