Add and Subtract 3-Digit Numbers and 100: Vertical Addition and Subtraction Worksheet

Subtraction is the opposite operation of addition and vice versa. Students use this relationship and their understanding of basic addition and subtraction facts to add and subtract 3-digit numbers and 100 in this worksheet. As the worksheet uses the column method, it is helpful in getting students toward higher accuracy, especially with bigger numbers and in scenarios where regrouping is required.