Winter adding double-digit numbers by ten, worksheet practice. Answers included. Included in this resource is: Worksheets to practice the concepts of: - adding groups of tens - adding tens to 2-digit numbers - adding 2-digit numbers with and without regrouping Just print and go!Can be used for Center work, self-checking practice time work, or homework.For students able to add with two digits, including 10, and self-check their own work. Fun, playful, and winter seasonal. These worksheets are gre