[2nd / 3rd grade] 3 digits addition worksheets, 6 pages

Learning 3-digit addition is an important milestone for children, typically introduced in grades 2 and 3, as it builds on the concepts of smaller number addition and place value. Worksheets are an effective tool for reinforcing this skill, providing practice opportunities to strengthen understanding and accuracy.

Mastering 3-digit addition prepares students for more advanced topics like 4-digit addition. On this page, I created six pages of random 3 digits addition problems, each page contains 35 problems. Download the worksheets and solve one sheet per day. Your mathematical skill will surely improve a lot.

PDF versions

Hope the above resources are helpful to you.


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