Use the worksheet to help students visualize addition number sentences with three addends. Kids build 10 cube trains using three different color cubes, color their trains, and then write out the equations.

Practice adding 3 to numbers within 10 with this first-grade addition worksheet!

Try this bright worksheet to give your first grader some at-home practice with adding three numbers!

Kids look for keywords to determine how to solve each problem with this three-step addition worksheet.

If your child is looking for a number challenge, we've got the worksheet for her. She may be a whiz at adding two numbers, but can she add three numbers?

If your child is confident in their addition skills, challenge them to tackle addition with three numbers.

Can your first grader practice adding three numbers together to help these working people do their jobs?

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

Teach your students to solve word problems with three addends. Plenty of space is provided for students to show their thinking!

Help your first grader prepare for the coming school year with this summer-themed beginning addition worksheet.

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

Let's see those addition skills! Use this math assessment to check in on your students’ abilities to add three numbers by having them solve these problems.

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

In this worksheet, kids take turns rolling dice, practicing addition, and writing in numbers.

Get even more fun practice balancing addition and subtraction equations with this lower grades math worksheet!

Try your luck at adding doubles with this colorful first-grade worksheet!

Children practice addition within 20 in this fall-themed math worksheet.

Count and add the Halloween pictures in this simple addition worksheet!

Count and add the Thanksgiving pictures in this simple addition worksheet! 

Get even more practice making balanced equations with this first-grade math worksheet!

Work with doubles and hone your addition skills in this helpful math worksheet!

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

Explore number bonds with this bright, engaging worksheet!

Boost your addition skills with this hundred chart worksheet for first and second graders! 

Practice addition and subtraction with this first-grade hundred chart worksheet!

Practice identifying doubles facts with this appealing worksheet!

Practice addition within 100 using open number lines with this first-grade math worksheet!

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

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