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

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.

Children practice writing numbers from expanded forms, and expanded forms from numbers.

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

This "beadtastic" addition worksheet will get your first grader practicing double-digit addition and thinking about some of the real world uses for math!

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

Has your second grader ever wanted to play super hero? Let him do just that with this two-digit addition worksheet.

This citrus-themed double-digit addition worksheet will spark your first grader's interest in math!

To figure out the name of the mystery super hero, your child simply needs to answer a page full of two-digit addition problems!

Can your child flex addition skills to solve these ninja riddles? Help her master double-digit addition with practice. Fine more ninja riddles and math here!

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

Know a second grader who could use stronger math skills? Give her a helping hand with this super power-infused, two-digit addition worksheet.

Double-digit addition can come close to being as pleasant as a warm, summer day with this adorable second grade worksheet!

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.

Combining advanced two-digit addition with inequality statements, this 2nd grade math worksheet really packs a punch.

Build your child's confidence in knowing math facts, so that he gets nothing but net. Take a shot at addition and subtraction problems!

Help your math ninja with his subtraction and target practice. He can practice two-digit subtraction and borrowing (also called regrouping) with this worksheet!

To bulk up your second grader's addition knowledge, give him this colorful two-digit addition worksheet--complete with a fun, super hero theme.

How are your students coming along in their three-digit addition skills? Use this spring math assessment to gauge your students' abilities to add within 1,000.

Give your second grader's two-digit addition skills a healthy work out with a worksheet that's heavy on learning--and fun!

Get your first grader's addition skills on track with this adorable double-digit addition worksheet!

Carrying over takes a bit of practice. Give your second grade mathematician a boost with these practice problems.

These two-digit addition problems are ready for your second grader to solve.

Looking for a way to boost your second grader's two-digit addition skills that's not a total bore? We've got the answer for you: a super hero-themed worksheet!

Give your second grader's two-digit addition skills some practice time with a worksheet that's heavy on learning--and fun!

Mastering subtraction is a lot like mastering baseball - it takes practice. Students can practice their subtraction skills by using the regrouping method.

If your first grader is gaga over chocolate, enlist her love of the sweet candy to get her interested in double-digit addition!

Adding up big numbers can be tricky. Teach your budding mathematician a helpful trick to keep the numbers in line with carrying!

Help your second grader grasp the concept of carrying numbers in addition equations with this entertaining worksheet!

The fifth page of this series takes things up a notch for your child, whether she's building addition and subtraction facts fluency or just practicing.