Add and Subtract Numbers within 10: Horizontal 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 numbers within 10 in this 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.