This add and subtract tenths worksheet consists of a set of questions on addition and subtraction, which help students develop fluency. Students align the decimal points and add extra zeros to the right of the number before adding or subtracting decimals to ensure that each decimal has the same number of digits. Then, for the answer, students add or subtract digits at each place. In this worksheet, numbers are laid one on top of another (vertical format). This encourages students to use the inherent place value structure to solve the problems.