This worksheet invites students to add 3-digit and 2-digit numbers with regrouping, which helps them become proficient in addition. As students add multi-digit numbers, they often find the need to regroup numbers. They regroup 1 ten into 10 ones, 1 hundred into 10 tens, and so on. Help your students practice this concept and develop conceptual and strategic knowledge with add 3-digit and 2-digit numbers with regrouping worksheet.