Add and Subtract 3-Digit Numbers and Multiples of 10: Horizontal Addition and Subtraction Worksheet

The opposite operation to addition is subtraction and vice versa. In this worksheet, students apply this relationship and their knowledge of basic addition and subtraction facts to add and subtract 3-digit numbers and multiples of 10. As the worksheet uses a horizontal format, it allows for more creativity when it comes to how the student solves the problem. In contrast, in the vertical format, students usually employ the standard method to solve.