Elementary Algebra: Adding and Subtracting Signed Real Numbers Using Calculators

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To Browse Problems:
Select the desired Subject → Chapter → Section → Group

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Watch the introductory video for the sample problem of this lesson.

Watch Classroom Lecture

3

Practice Solving the problems.
Print the worksheet and work through each problem.
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1

Add or subtract as needed.  A calculator may be helpful.

Play VideoSee Video Solution (0:35)Difficulty: 2Type: Problem
2

Add or subtract as needed.  A calculator may be helpful.

Play VideoSee Video Solution (0:32)Difficulty: 2Type: Problem
3

Add or subtract as needed.  A calculator may be helpful.

Play VideoSee Video Solution (0:39)Difficulty: 2Type: Problem
4

Add or subtract as needed.  A calculator may be helpful.

Play VideoSee Video Solution (0:52)Difficulty: 2Type: Problem
5

Add or subtract as needed.  A calculator may be helpful.

Play VideoSee Video Solution (2:48)Difficulty: 3Type: Problem
6

Add or subtract as needed.  A calculator may be helpful.

Play VideoSee Video Solution (2:48)Difficulty: 3Type: Problem
7

Add or subtract as needed.  A calculator may be helpful.

Play VideoSee Video Solution (3:31)Difficulty: 3Type: Problem
8

Add or subtract as needed.  A calculator may be helpful.

Play VideoSee Video Solution (3:32)Difficulty: 3Type: Problem
9

Add or subtract as needed.  A calculator may be helpful.

Play VideoSee Video Solution (2:32)Difficulty: 3Type: Problem
10

Add or subtract as needed.  A calculator may be helpful.

Play VideoSee Video Solution (0:34)Difficulty: 3Type: Problem
11

Add or subtract as needed.  A calculator may be helpful.

Play VideoSee Video Solution (0:41)Difficulty: 3Type: Problem
4

Watch the solution videos to see which problems you go right on the worksheet. Watch and understand the step-by-step solution videos to the problems you did not answer correctly and see if you can understand where you made mistakes.