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

Kids solve addition problems with three-digit addends to move from bubble to bubble on this second grade math worksheet.

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

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

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

Direct the bunny towards a tasty treat by solving addition problems in this first- and second-grade worksheet!

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

Help first and second graders practice solving near-doubles facts using this fun worksheet!

Master two-digit addition in this second-grade worksheet!

Practice making 10 to solve equations with this colorful first- and second-grade worksheet! 

Sharpen your single-digit addition skills with this helpful first- and second-grade worksheet!

Follow the trail to doubles mastery with this fun first- and second-grade worksheet!

Guide the bird back to its nest with the help of addition in this first- and second-grade worksheet!

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

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

Children will put their three-digit addition skills to the test as they solve 23 practice problems in this math worksheet.

Review three-digit addition and subtraction by solving these dino-riffic word problems.

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

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

Get ready for a deep dive into the properties of addition with this first- and second-grade worksheet!

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

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

The butterflies embellishing this adorable worksheet will keep your second grader entertained as they learn how to manage these complex addition problems!

This coloring page dot-to-dot uses skip counting as an unexpected way to tie in multiplication learning and reviewing multiples of three!

With this worksheet, your second graders will be adding up two-digit and three-digit numbers with ease.

Put your addition skills to the test with these puzzle boxes for second and third graders!

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

Use this glossary with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

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