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

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

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

Second graders can practice double-digit addition with carrying in this monster-filled math worksheet.

Send your second grader on an underwater double-digit addition challenge!

Your second grader won't mind practicing double-digit addition--with carrying--with the company of a pretty purple partner!

Get more practice balancing addition and subtraction equations with this lower grades math worksheet!

This colorful math worksheet will get your second grader practicing double-digit addition--with carrying!

Your first grader will love learning double-digit addition with this company of the crazy creatures on this charming worksheet!

Your second graders will enjoy their double-digit addition practice when they work with these friendly monster companions!

Let this cheery, colorful worksheet cheer your second grader on as he practices double-digit addition!

Get even more fun practice balancing addition and subtraction equations with this lower grades math worksheet!

This colorful worksheet will challenge your second grader to practice double-digit addition as it brings a smile to her face!

Take the monotony out of math by challenging your second grader to finish this colorful double-digit addition worksheet!

This adorable addition printable will help your second grader practice carrying over remainders as it boosts their mental math skills!

Practice, practice, practice! The more your second grader exercises their math skills, the easier double-digit addition will become.

This double-digit addition printable has an extra bonus: a silly green monster to keep your second grader company!

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

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

Your second grader won't mind practicing double-digit addition when these alien accomplices give them a helping hand.

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!

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

This colorful printable combines outer space with double-digit addition--making for an exciting math learning experience for your second grader!

This bright and cheerful addition worksheet--complete with a furry monster friend--will make your second grader smile as they practice addition with carrying!

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

As these friendly insects provide some creature companionship, your second grader will learn to add and carry over remainders in multi-digit problems!

Your second grader will have a smile on their face as they add up the columns and carry over remainders with this charming double-digit addition worksheet!

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

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

Double-digit addition with carrying will take on a brand new twist for your second grader when it comes with a couple of friendly monster companions!