Give your little one the opportunity to dive deeper into addition with this add tenths less than 1 worksheet. Students align the decimal points and add extra zeros to the right of the number before adding decimals to ensure that each decimal has the same number of digits. Then, for the sum, students add digits at the corresponding places. 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.