2 Digit Subtraction with Regrouping {New Years} Google Slides™ Practice 2 digit subtraction with regrouping with these interactive Google Slides™, created for use in Google Classroom™. This digital math activity will give students practice with 2 digit subtraction. Directions: Students will type in the answer for each problem. Then click next, to go to the next slide. HOW TO USE: Just download the PDF. Click on the image and it will take you to the page where you will make a copy. You MUS