Monster mash! Help your second grader get some valuable at-home addition practice with this monsterific math worksheet. He'll hone his double-digit addition skills and carrying know-how as he completes these 12 addition problems. If your child loses confidence along the way, he can look to the cheerful monsters on the page for a little encouragement!

But wait, there's more! Check out the rest of the worksheets in this series for more monster math mania.