Estimate the sum in each of these math problems. Challenge your child to round to the nearest hundred first, then add the two rounded numbers.

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

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

Get more practice adding multiples of 10 on an open number line with this colorful worksheet!

Children play the artist and mathematician in this second grade math worksheet that offers practice in two-digit addition with carrying and coloring, too!

Practice your place value skills while you add in this helpful worksheet!

Practice place value and addition and see where the two intersect with this hundreds chart that teaches how to add in groups of ten and one.

Featuring two-digit addition problems and a bonus word puzzle at the end, this 2nd grade worksheet is big on fun without skimping on the math enrichment.

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.

Children practice two-digit addition with carrying while tapping into their artistic side in this second grade math worksheet that doubles as a coloring page.

Challenge your third grade mathematicians with these addition and subtraction word problems. This exercise is designed to assess your students' math level at the beginning of third grade.

Get your second grader to practice two-digit addition with carrying with this pretty purse-themed math worksheet that includes a fun word puzzle at the end.

Does your first grader need help with two-digit addition? This colorful fairy-filled worksheet is a great way to give her the practice she needs.

Learn to perform addition with three-digit numbers in this essential worksheet!

Sneak in a little math before bedtime with this cheerful 2nd grade worksheet that includes two-digit addition with carrying and a fun word puzzle at the end.

Keep your child busy on snowy days with this winter-themed 2nd grade math worksheet. They'll practice two-digit addition, then crack a word puzzle at the end.

Your second grader will practice his addition facts and have fun doing it in this math worksheet featuring two-digit addition and a word puzzle at the end!

Would your first grader rather color fairies than do her math? With this worksheet, she can do both! This fairy practice sheet focuses on two-digit addition.

This second grade math worksheet offers practice in two-digit addition with carrying and comes adorned with wacky purple polka-dotted aliens.

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

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

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Get more practice exploring properties of operations while writing addition equations in this second-grade math worksheet!

This second grade math worksheet doubles as a coloring page. Children practice two-digit addition with carrying and get to color when they're done!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

In this Halloween-themed math worksheet, students will look at existing game boards and add one and two-digit numbers as they try to determine who got the pumpkin in the pumpkin race game.

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.

Use place value to add three-digit numbers with this second-grade worksheet!