Give your little one the opportunity to dive deeper into subtraction with this subtract 4-digit numbers from 6-digit numbers with regrouping worksheet. It is common for students to regroup numbers when they subtract multi-digit numbers. They understand that one hundred is ten tens, one ten is ten ones, and so forth. Use subtract 4-digit numbers from 6-digit numbers with regrouping worksheet to help your students practice this concept and develop their conceptual and strategic knowledge.