Give students practice adding three-digit numbers within 1,000! 

Improve those skills! Practice three-digit addition with these twelve problems.

This simple worksheet is packed with two-digit and three-digit subtraction problems.

Learners will solve 20 two- and three-digit addition problems in this versatile practice worksheet.

Practice adding with this third grade addition worksheet. Your child will hone his addition skills.

Kids solve addition problems with three-digit addends using regrouping on this third grade math worksheet.