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Number Line Addition

Lesson 1

Problem: (- 4) - 6

Steps for adding numbers on a number line.

  1. The starting point is the first number of the problem (marked with a red dot).

  2. Adding a negative number to a positive number: move left from the starting point.

  3. Adding a positive number to a negative number: move right from the starting point.

  4. Adding a negative number to a negative number: move left from the starting point.

  5. Adding a positive number to a positive number: move right from the starting point.

 

Step 1: Start from -4

Step 2: Move 6 marks left.

The number is -10 Answer: -10

 

Two Practice problems

 

 

1

               1+17

 

 

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2.

                     -4(-6)

 

Graphic4

                                                                                        

 

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