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

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

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.

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.

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

What do cows like to listen to? To find the answer to this riddle, your kids will need to sharpen their skills in basic addition. So saddle up and let those addition skills go wild!

Go over adding two-digit numbers to one-digit numbers with this helpful worksheet.

Not only does this worksheet bolster kids' addition skills, it's a great mental math exercise, too.

Adding up big numbers can be tricky. Teach your budding mathematician a helpful trick to keep the numbers in line with carrying!

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

Construct a colorful city with this engaging second-grade addition worksheet!

Use math to construct a thriving city in this colorful worksheet for second graders!

Practice fluency by building a flourishing city in this second-grade worksheet!

Use your addition skills to build your own number city in this unique worksheet!

Build a mathematical metropolis with this fun worksheet for second graders!

Construct your own math city with number sentences in this colorful second-grade worksheet!

Let the construction begin! Learners will use number sentences to make buildings in this inviting addition worksheet!

Construct a thriving metropolis with this colorful addition worksheet for second graders!

These equations have lost their signs! Only one sign — plus or minus — can make each equation true.

Practice adding multi-digit numbers in this second- and third-grade worksheet!