3rd and 4th Grade Three-Digit Numbers Multi-Digit Addition Worksheets

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

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.

This resource will assess your students’ proficiency levels in solving word problems. Your students will solve multi-step word problems with mixed operations.

From multi-digit subtraction to identifying prime numbers, assess each student’s mastery of a variety of fourth-grade math skills.

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.

Searching for a worksheet that practices addition regrouping? This printable is perfect for practicing addition skills like carrying the tens column.

Use this resource to support your students as they analyze word problems involving addition and subtraction. Focus on their process, and then allow them to solve to find the answer.

Use this resource to assess students’ abilities to solve a variety of word problems.

Learning how to check our work is essential to becoming strong math students! In this exercise, students will first solve the subtraction problems, then they'll practice checking their work by plugging the answers into an addition equation.

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

Take math everywhere you go, even to the beach! Students will use subtraction, addition, and time solving skills to complete the beach-themed word problems.

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

This resource gives your learners practice solving multi-step word problems with mixed operations. They will use addition, subtraction, or both operations.

What does carrying have to do with math? Help your second grader find out with this worksheet full of big number addition and carrying hints.

The best way to solve a complicated problem is to break it down. Help your students use the Read, Write, Draw strategy to solve word problems with this worksheet.

Review subtraction and check your work with this worksheet that asks kids to subtract, then add in reverse.

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

Adding up big numbers can be tricky. Teach your budding mathematician a helpful trick to keep the numbers in line with carrying!

Practice two-and three-digit subtraction in this set of school-themed word problems!

Let your child get in some extra addition practice with this worksheet perfect for carrying beginners.

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

Is your second grader ready to step up her carrying skills? This intermediate worksheet will test her powers of addition!

Carrying over takes a bit of practice. Give your second grade mathematician a boost with these practice problems.

Use this worksheet to practice two strategies for solving three-digit addition problems. Students will flex their math muscles as they use both the expanded notation and standard algorithm strategies to solve challenging math problems.

The partial sums method uses place value to help organize multi-digit math problems. Help your child master this strategy with a few practice problems.

Use this worksheet to continue practice with two addition strategies: expanded notation and standard algorithm. Students will be challenged to solve three-digit addition problems and then check their work using multiple methods.

Use this exercise to give your students practice solving word problems with addition, subtraction, or a mix of both operations.