Subtract 3-Digit Numbers from 4-Digit Numbers with Regrouping: Missing Numbers Worksheet

Task your little mathematicians to crack the code of subtracting 3-digit numbers from 4-digit numbers with regrouping with this fun worksheet. This worksheet is about practicing with the horizontal format in which numbers are written side by side. To develop flexibility with numbers and operations, students need to have enough practice in this format and not just rely on the vertical/column method.