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

Explore properties of operations while writing addition equations in this second-grade math worksheet!

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

Continue exploring properties of operations while writing addition equations in this second-grade math worksheet!

Get more practice exploring properties of operations while writing addition equations in this second-grade math worksheet!

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

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

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

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