Turn a snow day into a math day with this winter-themed first grade addition worksheet that offers single-digit problems with sums up to 9.

Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

Count and add the Halloween pictures in this simple addition worksheet!

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!

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

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

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

Jump to the rhythm of the math beat with this 1st grade worksheet that features single-digit addition problems with sums up to 9.

Kids add, subtract, or use math facts they have committed to memory to fill in the missing numbers in the fact families on this second grade math worksheet.

Count and add the Halloween pictures in this simple addition worksheet!

Count and add the Thanksgiving pictures in this simple addition worksheet! 

Count and add the Thanksgiving pictures in this simple addition worksheet! 

Count and add the Thanksgiving pictures in this simple addition worksheet! 

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!

This colorful math worksheet will get your second grader practicing 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!

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

Help your child master carrying with this second grade math worksheet that includes two-digit addition problems and a cute bug theme!

Help your child master two-digit addition using carrying with this second grade math worksheet that offers 12 problems and a cute bird theme.

Help your child master addition using carrying with this second grade math worksheet offering two-digit problems and an adorable bird theme.

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

Print out this spring-themed addition worksheet and make the next rainy day an educational one for your first grader!

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

In this fact family practice worksheet, kids show that they understand the inverse relationship between addition and subtraction.

For double-digit addition practice, try this second grade math worksheet. Don't forget to carry that one!

Help your child practice carrying with this second grade math worksheet that includes 12 two-digit addition problems.

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!