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# 3 Digit Addition Digital - 2.NBT.7

\$4.00

## Description

3 Digit Addition Digital is a digital math activity for triple-digit addition strategies (3-digit addition). The activities come ready-made in Google Slides and Seesaw. It covers both regrouping and non-regrouping problems. The resource aligns with one of the 2nd grade Common Core Math Standards in the Numbers and Operations in Base Ten (2.NBT.7). Topics and strategies covered are base-ten blocks, expanded form, open number line, and the standard algorithm.

When you download the file, you will open a PDF. The links to the Google Slides and Seesaw are available on page 5 of this PDF file. Please read through the instructions and guided pages to learn how to open, save, and share with your students.

• A page with instructions on how to save the PowerPoint version is also added into the PDF. This would be for teachers wanting to upload pages to their own Seesaw, Canvas, or other platforms outside of Google Slides.

Activities Included:

• Base-Ten Method
• Expanded Form Method
• Open Number Line (with and without jumps provided)
• Standard Algorithm

Standards Covered:

• 2.NBT.7- Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

For the full 2.NBT.7 unit, check out this standards-aligned lesson:

This purchase is for one single classroom only.

If you’re interested in sharing with other classrooms, make sure to buy the extra licenses for a discount through the TeachersPayTeachers tool here. If you are interested in a site license, please contact me for a quote at jessica.L.tobin@gmail.com.

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