# Adding and Subtracting 3-Digit Numbers | A 2nd Grade Math Unit

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Resource Type
Common Core Standards
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41 MB|106 pages
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1. An entire year's worth of student-centered math units! Each week is set up with a whole group lesson on Monday, a series of stations for students to complete on Tuesday through Thursday, and a whole group lesson, game, or activity on Friday. Lessons can be used in this setup or easily modified for w
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Product Description

Learn all about addition and subtraction with 3 digit numbers with this 4 week, hands-on math unit for 2nd grade. This unit is the sequel to the Addition and Subtraction with Regrouping unit, but may be used on it's own.

This unit includes full lesson plans, student task cards, games, and recording sheets. It is designed to be used as week long, centers-based exploration units.

Weeks 1:

Monday: Build schema and review comparing numbers.

Tuesday-Thursday: Students will visit a series of centers, practicing identifying 3-digit numbers, comparing them, and writing them in word form using games and task cards. Directions and suggestions are included for each station. (Recording sheets are included with each center.)

Friday: Students will demonstrate their understanding of place value by placing the numbers in order and writing them in numerical form.

Centers/activities can also be spread out throughout the week if needed.

Weeks 2 and 3:

Monday: Build schema and review addition and subtraction strategies.

Tuesday-Thursday: Students will visit a series of centers, practicing adding and subtracting with and without regrouping using games and task cards. Directions and suggestions are included for each station. (Recording sheets are included with each center.)

Friday: Students will demonstrate their understanding of addition and subtraction by solving the problems on a color by code sheet.

Weeks 4:

Monday: Review addition and subtraction strategies. Discuss when to use addition and when to use subtraction.

Tuesday-Thursday: Students will visit a series of centers, practicing adding and subtracting with regrouping using games and task cards. Directions and suggestions are included for each station. (Recording sheets are included with each center.)

Friday: Students will demonstrate their understanding of subtraction with regrouping by playing Scoot.

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Total Pages
106 pages
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Teaching Duration
1 month
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