Students should use their knowledge of multiples and remainders to divide numbers using the long division method once they have mastered their basic division facts. In addition to the quotient, they also get a remainder as an answer in divide 4-digit numbers by 1-digit numbers with remainder 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.