Valentine's Day Bingo Math Game with Double Digit Addition with Regrouping | Printable Bingo Game | 2nd Grade, 3rd Grade Make 2-digit plus 2-digit addition practice engaging, visual, and fun with this Valentine's Day themed bingo game featuring double digit addition with regrouping math problems designed especially for 2nd and 3rd grade students, or any students requiring extra practice with double digit addition with regrouping. After solving a set of 32 addition with regrouping problems