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

Take a big leap forward with your math skills as you practice addition in this cheerful, inviting worksheet!

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

Practice making 10 to solve equations with this colorful first- and second-grade worksheet! 

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.

Help the frog find its way to the pond with this addition worksheet for first and second graders!

Double up on doubles practice in this worksheet of matching pairs!

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.

Learn how to use doubles facts to solve other addition problems!

Solve an enjoyable maze of doubles facts with this fun one-page worksheet!

Construct your own math city with number sentences in this colorful second-grade worksheet!

In this worksheets, learn how to add the tens first when using a hundreds chart.

After kids solve the two-digit addition and subtraction problems on this second grade math worksheet, they use the key to color in the shapes on the mosaic.

Make math fun with this doubles facts maze! 

Draw a picture in a hundred chart in this engaging second-grade worksheet!

Got a second grader who's reluctant to practice math? Addition loses its bore factor with a math worksheet infused with extraordinary energy.

3...2...1...go! Students will apply their knowledge of addition facts with this speedy worksheet!

Solve near-doubles facts with this appealing worksheet!

These equations have lost their signs! Only one sign — plus or minus — can make each equation true.

Keep your second grader entertained--and teach her two-digit addition skills at the same time--with this super hero-themed worksheet.

Kids practice reverse two-digit addition and subtraction to find the missing numbers in this 2nd grade math worksheet.

Don’t let two-digit addition intimidate you; instead, use compensation to make friendly tens!

Discover combinations that make 10 with this engaging cut-and-paste worksheet, designed for first and second graders!

Learn a new addition strategy in this essential worksheet!

Lengthen your learners' addition and subtraction skills using number line models and real-world scenarios!

Sharpen your single-digit addition skills with this helpful first- and second-grade worksheet!

This second grade worksheet is two activities in one, offering two-digit addition practice and coloring, too!

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

Practice three-digit addition using open number lines with this second-grade math worksheet!

Add multi-digit numbers with ease in this colorful second-grade math worksheet!