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

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.

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.

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?

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

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

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

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.

Little math learners can have a blast solving these Valentine's Day addition problems! Build basic math skills with this practice sheet.

Treat your little sweetheart to a fun math activity this Valentine's Day. He'll get to do some coloring as he reviews math facts.

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

Practice addition within 10 with this Halloween math workheet!

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

This addition and subtraction math facts worksheets offers a winter sports theme.

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

Bring a little color to this to this teddy bear's gray day and get a little addition practice at the same time.

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.

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

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

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

How fast can your child do his addition facts? Test his math skills with a fun basketball math sheet, and he'll practice doing one-digit addition equations.

Add some color to these Christmas presents in this color-by-number mental math worksheet. Kids will exercise addition and subtraction skills.

Students will love getting to make and cut out their own fact family triangles as they practice writing three related numbers.

Shape up your addition skills with these square puzzles!

Challenge your child to add three, four, and five numbers together. He may find the task daunting, but there's a trick to add multiple numbers that will help!

Get even more practice balancing addition and subtraction equations with this engaging cut-and-paste worksheet!

Practice identifying doubles facts with this appealing worksheet!