2_Digit Addition (With Regrouping). The double_digit addition worksheets on this page require student to carry ones, or regroup. Includes graph paper math, a Scoot! game, and word problem worksheets. Approx. levels: 1st grade, 2nd grade.
4 and 5_Digit Addition. This page has resources for teaching addition with 4 and 5_digit numbers. Includes column addition exercises, an addition crossword, and word problems. (Approx. level: 3rd grade, 4th grade, 5th grade).