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 two 2-digit numbers without regrouping worksheet offers a tonne of practice with this concept. In each problem, the numbers are laid out in the vertical format. In this format, pair of digits in each successive place are tackled one by one. This helps students follow a structured approach.