These billy goats are in for a tough time -- the bridge they need to cross is guarded by a green, scary troll!

Build basic math skills this Christmas with a picture subtraction exercise! Your little one can cross out these pictures to solve each equation.

Practice early subtraction with your child with this cheerful Valentine's Day math printable!

Preschool Math: Take Away the Sea Creatures offers preschoolers an easy introduction to subtraction that will have them wanting to dive right in!