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

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

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

Packed with addition problems requiring regrouping, this worksheet is a perfect way to practice addition with carrying.

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

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

Children complete an addition chart, then fill in missing addends and sums in this useful practice worksheet.

Practice place value, rounding and addition, all in one worksheet! Your child will learn to add up estimated sums quickly in his head.

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

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

Add a fun twist to math practice with these second- and third-grade addition puzzles!

Practice the properties of addition with this colorful worksheet for third graders!

Addition doesn't have to be puzzling—practice finding sums with these puzzle boxes!

Addition doesn't have to be puzzling—practice finding sums with these second- and third-grade puzzle boxes!

Math learners solve sports-themed addition and subtraction problems in this practice worksheet.

Addition and subtraction practice can get a little repetitive, so mix it up with this funny under the sea worksheet.

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.

Did you know that multiplying a number by two is the same thing as adding that number to itself? Use this trick in this lovely math worksheet.

Is your math whiz up to the challenge? She'll have to use logic and reasoning skills to solve this tricky addition puzzle!

Practice using place value to solve addition problems with this math worksheet!

Here's a helpful way to teach multiplication to a beginner. Show your child how an addition problem is similar to a multiplication problem.

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.

Once your child masters addition with carrying, there's practically no number too big for her to add!

Put your addition skills to the test with these puzzle boxes for second and third graders!

Put your addition skills to the test with these puzzle boxes for second and third graders!

Put your addition skills to the test with these puzzle boxes for second and third graders!

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

Put your addition skills to the test with these puzzle boxes for second and third graders! 

Multi-digit addition can be tricky. Teach your third graders fast addition and they will be on their way to mastering this concept.