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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 11 Page 34

From the starting point of - 3 on a number line, move 8 units in the positive direction.

5

Practice makes perfect

We can use a number line to determine the sum - 3+8. Starting at - 3 on a number line, we will move 8 units to the right. This is eight units in the positive direction.

Thus, - 3+8=5.

Subchapter links

Lesson Check p.33

Practice and Problem-Solving Exercises p.34-36

Standardized Test Prep p.36

Mixed Review p.36