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

Want to imbue some life into your second grader's hoe-hum math practice? Check out this adorable double-digit addition worksheet!

This worksheet engages second graders in a fun, connect-the-dots activity while encouraging counting in multiples of nine.

Your second grader can work hard on these challenging double-digit addition problems, and then move onto the fun coloring activity!

The smiling snails on this worksheet will remind your second grader to work carefully as he completes these two digit addition problems that involve carrying.

Your second grader will become an addition pro with worksheets targeted at developing mental math skills and an understanding of adding multiple columns!

Your second grader will be delighted with this double-digit addition worksheet that does double duty as a fun coloring page!

Give your second grader a little extra practice with double digit addition. Let the beautiful bugs dancing around this worksheet help her to success!

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

Second graders get to solve vertical addition problems with two-digit numbers and even break out those carrying skills in this math worksheet.

Who's the mystery president? Your second grader can find out by skip counting by threes to complete the dot-to-dot.

Watch your second grader's mental math ability and understanding of addition with carrying improve with this adorable double-digit worksheet!

This charming addition worksheet will provide your second grader with some valuable double-digit training while keeping him entertained!

Once your second grader finishes rewriting and solving these challenging double-digit addition problems, they'll get an entertaining reward!

After completing some difficult double-digit addition, your second grader will be delighted to move onto some creative coloring!

To complete this adorable worksheet, have your second grader re-write each addition equation vertically and then solve using regrouping.

Want an entertaining way to boost your second grader's math skills? This addition worksheet--embellished with a powerful super hero--does the trick!

Introduce your second grader to inequalities, also called greater than and less than statements, with this cheery strawberry-themed addition worksheet.

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

Your second grader will love this adorable printable that combines an educational double-digit addition lesson with an entertaining coloring activity!

Your second grader won't mind practicing addition with carrying when they get some help from their favorite furry friend!

Your second grader will be delighted to take part in this double-digit addition printable with the help of a couple of furry monster friends!

This colorful printable--complete with a lovable three-eyed monster--will help your second grader master double-digit addition with carrying!

Let this colorful addition worksheet--filled with challenging double-digit equations--push your second grader to the next mathematical level!

Encourage your second grader to help Geraldine keep track of how tall her sunflower grows with this fun addition worksheet.

Ask your second grader to help out Ken the Carpenter, and his double-digit addition skills will get a boost, too!

Two-digit addition troubling your second grader? The only way to get the concept down is practice, practice ... and more practice!

Your second grader will decide addition is fun once you introduce them to this charming worksheet: double-digit addition plus coloring!

This charming worksheet--with an additional coloring activity--asks your second grader to rewrite and solve eight double-digit addition problems.

While your second grader may not learn super-human abilities with this fun worksheet, he may gain exceptional addition skills!