Practice place value, rounding and addition, all in one worksheet! Your child will learn to add up estimated sums quickly in his head.

Practice adding two-digit numbers on open number lines with this inviting addition worksheet!

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

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

Kids solve two-digit addition problems, then compare the answers using the greater than, less than, and equal to symbols in this 2nd grade math worksheet.

Students use open number lines to help them write addition equations in this first-grade practice worksheet!

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

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

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.

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

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

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

Brave math explorers can venture through a jungle of one and two digit addition problems with this worksheet!

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

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

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

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

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

Use this visual model to practice adding 10 to two-digit numbers!

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

Hone your two-digit addition skills in this essential 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!

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.

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

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.

Children practice adding integers and decimals to the thousandths place in this practice worksheet.

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

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

The game requires players to solve two-step, mixed operation word problems during their turn. Similar to Connect Four, each solved problem earns the player an X or O.