Subtract 4 within 20: Vertical Subtraction Worksheet

Give your little one some practice building subtraction skills with this subtract 4 within 20 worksheet. Once students have understood the concept of addition, they should learn to subtract numbers. Subtract 4 within 20 worksheet provides plenty of practice with subtraction. This worksheet is about practicing the column method in which numbers are written one on top of another. In this method, students use their place value understanding to solve the problems.