This is a week long unit that introduces 2 digit subtraction with regrouping. There is a SMARTBoard lesson/PPT lesson for each day, along with independent practice and an answer key for each day.
Day 1-Determining whether or not to regroup
Day 2-How to borrow from tens to regroup to ones
Day 3-Subtraction with borrowing
Day 4-Practice subtraction with and without borrowing with interactive Tic Tac Toe game
Day 5-Word Problems: Problem Solving with 2 Digit Subtraction
Practice pages/answer keys are linked in the SMARTBoard lesson and PPT lesson, as well as attached as single files.