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

Children will put their three-digit addition skills to the test as they solve 23 practice problems in this math worksheet.

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

Practice three-digit addition with regrouping in this set of 36 problems.

Bolster your third grader's addition skills with at-home practice in three-digit addition.

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

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

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

Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

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

Children practice writing numbers from expanded forms, and expanded forms from numbers.