Three-Digit Addition Worksheets
This page contains 3-digit addition exercises like addition drills, place value blocks, finding the correct addends, adding more than two addends, missing digits, treasure box, and more. You have options to select from horizontal or vertical; regrouping or no regrouping; with or without word problems.
3-Digit and 2-Digit
The addends are 3-digit and 2-digit. Problems assigned in four categories: regrouping, no regrouping, with or without word problems.
No Regrouping with Word Problems:
Regrouping with Word Problems:
Adding 3-digit Numbers with Word Problems
Each worksheet has twelve standard three-digit addition problems and two word problems.
Column 3-digit Addition Drill: No Regrouping
Each problem in this worksheet has 3-digit no regrouping addends in columns. You may set a time limit before working on the drill.
Column 3-digit Addition Drill: Regrouping
Explore your skills in addition by practicing these regrouping addition drills.
Horizontal 3-digit Addition Drill: No Regrouping
The worksheets have 3-digit addends in rows. Regrouping is not required. You may select from 15, 25 and 50 per page.
Horizontal 3-digit Addition Drill: Regrouping
Practicing these drills will provoke your adding skills. Regrouping required.
Addition with Base Ten Blocks
Write the number represented by flats, rods and units. Find the sum using place value blocks.
Circle the Numbers
Each worksheet has 10 problems finding correct addends that make the required sum.
Each problem has a treasure box without a number. Find the missing addends.
Each worksheet has 20 problems. Find the missing digits in each problem. Easy level has two digits missing. Medium level has three digits missing.
Adding More Addends
3-digit addition worksheets are based on adding more than two addends (three, four and five).