by Linda Post - The Teacher's Post
Price: 200 points or $2 USD
Subjects: math,mathElementary,additionAndSubtraction
Grades: 1
Description: Students subtract 2-digit numbers with regrouping. They drag red regrouping marks and type the new numbers of ones and tens into the red boxes. They subtract the columns, and type their answer in the green box. They subtract the columns and type the answers.