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Number Line Subtraction

Lesson 1

 

Problem:

7 - 1 =

line

 

Use number line to use solve the problem

 

Solution
Step 1:

7 – 1=

 

 

1. Start at the number 7, then count one numbers to the left

 

Solution
Step 1

  7 - 1

3.png 

 

Solution
Step 2:

  7 - 1

Land at 6, which is two steps away from 7.

Therefore, 7 - 1 = 6

 

 

Try two practice problems:

A.

 

8 -1

B.

 

6 - 5

 

 

 

 

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