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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 10 Page 34

From the starting point of 2 on a number line, move 5 units in the positive direction.

7

Practice makes perfect

We can use a number line to determine the sum 2 +5. Starting at 2 on a number line, we will move 5 units to the right. This is five units in the positive direction.

Thus, 2+5=7.

Subchapter links

Lesson Check p.33

Practice and Problem-Solving Exercises p.34-36

Standardized Test Prep p.36

Mixed Review p.36