Students should be aware of the fundamental relationships between the digits in the numbers they subtract. They subtract digits at the same places to find the difference while subtracting multi-digit integers. Subtract 5-digit numbers from 6-digit numbers without regrouping worksheet offers a tonne of practice with this concept. 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.