In this addition worksheet, students solve 36 problems in which two digit numbers are added with regrouping. There are no examples on the page.

In this addition worksheet, students solve for missing digits. Students solve 20 horizontal problems, filling in the missing digits to obtain the answer that is given for each.

In this two digit addition worksheet, 1st graders double six two digit numbers by writing their answers in the six empty boxes.

In this math worksheet, learners solve 17 two-digit addition problems. Students may also color in the border, which includes illustrations of sea horses.