Are you teaching your students about 3 digit subtraction? If so, this packet is for you! It starts with 3 digit problems with no regrouping, moves to regrouping in tens and ones, then to regrouping in hundreds and tens, onto regrouping across hundreds, tens, and ones, and finally to regrouping across zeroes. Each stage has a teaching slide, a a slide that can also be copied as a practice page, and a slide that can be used as a guide for games on white boards or papers, or printed on yardstick and laminated for math stations or center games. Use this pack as a power point for step by step instruction or as a review at the end of your unit. Your students are sure to enjoy it as much as ours have!