Or download our app "Guided Lessons by Education.com" on your device's app store.
It doesn't take super powers to build strong two-digit addition skills ... but it does take lots of practise! Give your second grader the best of both worlds with an addition worksheet adorned with a powerful super hero. He'll work through a page chock-full of two-digit addition problems, and then figure out what the hero's secret power is at the end.
If he enjoys this worksheet, make sure to check out the rest of the SeriesFor more practise.