It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

Children add 10 or 1 to move through the hundreds chart to get to 100 in this fun addition worksheet.

Buzz through some two-digit addition problems with your second grader!

Encourage your second grader to embark on a space-themed addition adventure with an entertaining extra: a coloring activity!

Give your students simple two-digit numbers to practice the decomposition addition strategy! This can be used as a stand-alone activity or in conjunction with the Composing and Decomposing lesson plan.

This worksheet guides kids through simple word problems by presenting options for breaking up tens and ones.

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

Tackle two-digit addition with place value charts in this helpful worksheet!

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

Learners will enjoy stacking and adding two-digit numbers with this appealing practice worksheet.

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.

Featuring a word puzzle at the end, this 2nd grade math worksheet makes two-digit addition new and exciting!

Hop, skip, and jump using compensation in this second- and third-grade addition worksheet!

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

3...2...1...go! Students will apply their knowledge of addition facts with this speedy worksheet!

Ninjas can be very mysterious and secretive. Solve the riddle with some addition to unlock one of their secrets!

Keep your second grader entertained--and teach her two-digit addition skills at the same time--with this super hero-themed worksheet.

Sharpen your mental math skills with this second- and third-grade compensation worksheet! 

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

Create models of addition problems with this compensation worksheet for second and third graders!

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

This second grade worksheet is two activities in one, offering two-digit addition practice and coloring, too!

Practice adding multi-digit numbers in this second- and third-grade worksheet!

Here's one way to reinforce addition facts and basic math vocabulary. Your child can add up the numbers and fill in missing signs in these addition problems.

Hone your two-digit addition skills in this essential worksheet!

Practice a visual addition strategy with this second-grade place value worksheet!

Double-digit addition problems are fun to solve in this second grade math worksheet that doubles as a coloring page. Don't forget to carry that one!

Use your knowledge of place value to solve addition problems with this first- and second-grade worksheet!

Practice using place value charts to find sums with this addition worksheet for first and second graders!

Represent ones and tens with crayons in this fun worksheet.