Children complete an addition chart, then fill in missing addends and sums in this useful practice worksheet.

While your second grader may not learn super-human abilities with this fun worksheet, he may gain exceptional addition skills!

Know a second grader who could use stronger math skills? Give her a helping hand with this super power-infused, two-digit addition worksheet.

Guide your second grader through this fun, two-digit addition worksheet to boost her mental math skills.

Solve an enjoyable maze of doubles facts with this fun one-page worksheet!