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

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.

Follow fluency facts to finish this fun first- and second-grade subtraction maze!

Can your second grader come up with subtraction equations that equal the number in each star?

Practice addition and subtraction within 20 with this sweet Valentine’s Day math puzzle!