This worksheet teaches you to use base 10 drawings to add two-digit numbers.

What do cows like to listen to? To find the answer to this riddle, your kids will need to sharpen their skills in basic addition. So saddle up and let those addition skills go wild!

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

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

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

Give your kids extra addition practice with this worksheet, which teaches them that it's best to focus on the tens first.

Represent ones and tens with crayons in this fun worksheet.

Word problems make for great assessment tools because they require a complete understanding of the math concepts. Use this assessment to evaluate your students' abilities to add and subtract three-digit numbers using mixed operation word problems.

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

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

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

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

Your second grader and his handy addition skills are needed! Can he help Ralph keep track of his hollyhock's growth?

In this worksheets, learn how to add the tens first when using a hundreds chart.

Challenge yourself to solve three-digit addition problems in this colorful worksheet!

Practice three-digit addition using open number lines with this second-grade math worksheet!

Add multi-digit numbers with ease in this colorful second-grade math worksheet!

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

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

Can your second grader use her addition ability to chart the growth of Augusto's snapdragon?

Explore properties of operations while writing addition equations in this second-grade math worksheet!

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

Master addition using a place value chart with this engaging second-grade worksheet!

Practice your addition skills with this inviting second-grade worksheet!