Hurry! If these numbers aren't added quickly using regrouping, they'll pop!

Double-digit addition with carrying will take on a brand new twist for your second grader when it comes with a couple of friendly monster companions!

This colorful math worksheet will get your second grader practicing double-digit addition--with carrying!

Practice multi-digit addition with this hundred chart worksheet for second graders! 

Your second grader will be delighted to take part in this double-digit addition printable with the help of a couple of furry monster friends!

Practice three-digit addition with regrouping in this set of 36 problems.