Practice 3 digit subtraction with regrouping using digital slides for Google Classroom. This interactive digital resource includes interactive slides with movable base 10 blocks to practice subtraction with regrouping. Save time with this no prep resource that includes: 30 interactive Google slides, a self-grading Google form, worksheets, a detailed answer key, and more! The following formats are included:★Google Slides Digital Resource 20 interactive slides with base 10 blocksEach slid