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 and without regrouping. If regrouping is needed, they drag red regrouping marks and type the new groups into the red boxes. If regrouping is not required, they simply subtract the columns and type the answer.. They subtract the columns and type the answers.