3 Digit Addition Worksheets. Three-digit addition worksheets contain practice sheets that are organized by difficulty levels. Worksheet will open in a new window.
Students will be challenged to solve three-digit addition. Select appropriate methods and tools for computing with whole numbers from among mental computation, estimation, calculators, and paper. Once you find your worksheet, click on pop-out icon or print icon to worksheet to print or download.
Also learn how to check your answer using the inverse operation.
Students will be challenged to solve three-digit addition.
The worksheets in this section are carefully graded, allowing you to introduce concepts at an easier level before introducing harder work. Select appropriate methods and tools for computing with whole numbers from among mental computation, estimation, calculators, and paper. Three-digit addition worksheets contain practice sheets that are organized by difficulty levels.