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

Hop your way to subtraction mastery in this fun, inviting worksheet!

Use math to solve an international mystery! Where in the world is the super secret location?

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

Travel through the hundreds chart on a quest to one.

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 in which he'll practice reverse addition and subtraction to find the missing numbers.

Ready for another round of where in the world? Be an international math detective as you solve addition problems to discover the secret location!

Keep the holiday spirit alive as your little one reviews his addition and subtraction with these Christmas word problems!

These Halloween word problems get your child in a frightful mood for All Hallows' Eve. Help your child practice some Halloween math with these word problems.

Christmas enthusiasts will exercise a variety of math skills in this Christmas worksheet. Help your kid practice math with this Christmas math worksheet.

Your child will get a chance to stretch his math skills in this Christmas word problems worksheet. Kids will work on multiplication and more in this worksheet.

Do some Christmas coloring in this addition and subtraction math worksheet. Kids will fill in missing colors in Santa's presents as they solve math problems.

How strong do you think your subtraction skills are? Find out with this helpful worksheet!

Feel the Christmas spirit with these Christmas word problems. Kids will calculate the numbers of carolers and more in this fun Christmas math worksheet.

There are 10 gifts under the Christmas tree, but they're missing their colors. Your child will use his math and creative skills to color them in this worksheet.

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

Turn the tables on your second grader's subtraction practice by asking them to do the reverse of most worksheets: come up with their own equations!

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

No need for a submarine to explore the depths of the sea in this bright, colorful subtraction worksheet!

Invite your learners to hop into some fun with this seasonal Easter puzzle worksheet!