Two Digit Addition- Number Line
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Subject Area: Mathematics (B.E.S.T.) | Grade Level: 2
Lesson Length: 15 minutes or less
Keywords/Tags: Two-Digit Addition, Number line
Lesson Description: This lesson focuses on the 2nd Grade standard MGSE2.NBT.5. Students will work to solve two-digit addition problems using the open number line strategy.

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Video : Adding 2 Digit Numbers Using an Open Number Line
Instructions: Please watch the following video as many times as needed before going to the next step. It is important to understand the video before moving forward.
Description: The video instructor will demonstrate to students how to solve two-digit addition problems on an open number line.
Quiz : Two-Digit Addition- Number Line
Instructions: Please complete this quiz by solving the addition problems using the open number line strategy. You can take this quiz as many times as needed.
Question #1

How many ones are in the number 52?

Question #2

How many tens are in the number 87

Question #3

37 + 10 =

Question #4

55 + 13 =

Question #5

14 + 25 =

Resources : Extra Practice- Number Line Two-Digit Addition
Instructions: Please see the additional resources below. Feel free to visit each link to learn more about this lesson.
IXL Addition with Number Lines Lesson

Number Line Manipulative

Virtual Number Line

Practice Worksheet