Add Two 3-Digit Numbers with Regrouping: Horizontal Addition Worksheet

This worksheet consists of a set of questions on addition where students are required to add two 3-digit numbers with regrouping. 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 two 3-digit numbers with regrouping worksheet.