This fourth grade addition and subtraction math unit includes 10 easy to teach lessons that cover common core (CCSS) addition and subtraction standards for 4th grade using multiple strategies with up to 6 digit numbers.

Skills taught include:

• adding and subtracting with base ten blocks (builds conceptual understanding of regrouping)
• addition and subtraction using an open number line
• adding and subtracting with partial sums and partial differences
• the standard algorithm for addition
• the standard algorithm for subtraction
• subtracting across zeros
• key words in addition and subtraction word problems

Start by downloading the bonus file titled "Start Here!" It includes a zip folder containing the entire unit in one organized place. You'll find force copy links to the Google Slides in the unit guide.

This unit bundle includes:

• a unit guide with 10 easy to follow lesson plans for each day plus printable worksheets, a study guide, a whole group activity, a unit test assessment, and answer keys
• 126 Google Slides including 7 lessons and tons of practice problems with animated step-by-step solutions
• 4 addition and subtraction games
• 4th grade addition and subtraction review task cards

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