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

Help your child get used to addition with carrying so that she'll be all ready to go by the time it's introduced in school.

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.

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

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

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.

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

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

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

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

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

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

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

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!

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!

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

Bolster your knowledge of the associative property of addition in this charming 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.

Does your child ever wonder where to put the numbers she carries over in addition problems? He'll wonder no more with this helpful worksheet!

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

Kids complete each equation on this third grade math worksheet by determining whether an equation is addition or subtraction and writing in the correct sign.

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

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

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

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