Subtract 10 within 20: Horizontal Subtraction Worksheet

When 0 is subtracted from a number, the result is the number itself. Students love subtracting numbers that end in zeros. They practice this concept with a set of problems on subtract 10 within 20 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.