2-3 Digit Addition & Subtraction With Regrouping Strategies, Mixed, BUNDLE

Description

Practice 2-digit and 3-digit addition and subtraction with regrouping using strategies, math centers, activities, worksheets, and games. Students will learn to use open number lines, compensation, base ten blocks, expanded form (composing and decomposing numbers), and more to practice 2-3 digit addition and subtraction.

This bundle includes activities, posters, and centers that do not focus on using the traditional/standard algorithm! (However, the standard algorithm is included!)

2 Formats included:

1. Printable
2. Google Slides

SUBTRACTION STRATEGIES:

1. Base Ten
2. Number Line
3. Break It Down (Decomposing Numbers)
4. Subtract in Chunks
5. Compensation
6. Standard Algorithm

Activities that go with the subtraction strategies:

• Strategy Posters
• Base Ten Subtraction Center
• Number Line Subtraction Center
• Break It Down Subtraction Center
• Compensation Center
• Subtract in Chunks Center
• Algorithm Center
• Hundreds Chart Subtraction Center
• Strategy Task Cards
• Strategy Practice Worksheets
• Extra Resources (Posters, Charts, etc.)

ADDITION STRATEGIES:

1. Base Ten Betsy – using base 10 blocks or models to add
2. Number Line Niles – add using an open number line
3. Break it Down Daisy – decompose numbers into expanded form to add
4. Compensation Cody – make a friendly number (10, 20, 100, 200, etc.) to make adding easier
5. Add in Chunks Abby – decompose one number and add it in chunks
6. Algorithm Alex – line up numbers vertically to add
7. Hundreds Chart Harriet – *2-digit addition only*

Activities that go with the addition strategies:

• Strategy Posters (2-digit & 3-digit versions)
• Mini-Lesson Ideas
• Base Ten Addition Center
• Number Line Addition Center
• Break It Down Addition Center
• Compensation Center
• Add in Chunks Center
• Algorithm Center
• Hundreds Chart Addition Center
• Strategy Task Cards
• Strategy Practice Worksheets
• Extra Resources (Blank posters, reference charts, etc.)