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!

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

Students learn to decompose numbers through this fun activity. After being given a number, young mathematicians come up with their own way to decompose the number into two different numbers.

In this addition and subtraction worksheet, children will provide the missing numbers to balance ten expressions.

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

Give students practice adding three-digit numbers within 1,000! 

Get this set of worksheets, with four pages of math practice, adding two numbers together, to help your child develop basic addition skills.

Go on a number adventure with this jungle-themed worksheet. Kids will use their number know-how to order numbers and clear a path through the jungle.

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?

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.

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

Practice finding missing numbers while adding within 20 using ten frames!

Kids practice reverse addition and subtraction to find the missing numbers in this challenging 2nd grade math worksheet.

Kids practice reverse addition and subtraction to find the missing numbers in this fun 2nd grade math worksheet.

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

Kids practice reverse two-digit addition and subtraction to find the missing numbers in this 2nd grade math worksheet.

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Kids get an intro to basic algebra by practicing reverse addition and subtraction to find the missing numbers in this challenging 2nd grade math worksheet.

Introduce your child to basic algebra with this 2nd grade math worksheet. Kids practice reverse addition or subtraction to find the missing numbers.

Introduce your child to basic algebra with this 2nd grade math worksheet in which he'll practice reverse addition and subtraction to find the missing numbers.

Kids try their hand at reverse addition and subtraction in order to find the numbers missing from each equation in this 2nd grade math 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.

The triathlon is a fascinating sporting event, and a great opportunity to learn about addition and comparison.

Make the math concept "less than" more clear with a colorful worksheet that gets him practicing with number comparisons to make each equation true.

Can your second grader dig a little deeper into number comparisons? Have her find the missing number that makes each "greater than" equation true.

How many ways can your first grader make each number? They'll boost their addition, counting, and problem solving skills!

How many ways can your first grader make each number? Their addition and problem solving skills will get a boost with this one!