Or download our app "Guided Lessons by Education.com" on your device's app store.
It doesn't take super-human powers to get stronger math skills, but lots of practice sure does help. Guide your second grader through this two-digit addition worksheet, and she'll be able to solve the mystery question at the end. Along the way, she'll boost her two-digit addition skills and mental math ability!
Try out the rest of this Super Powers! series for even more practice.