This add and subtract different decimal places less than 100 worksheet has a set of problems curated to ensure that your child becomes more proficient in addition and subtraction. To ensure that each decimal has the same number of digits while adding or subtracting decimals, students align the decimal points and insert additional zeros to the right of the number. Students then add or subtract digits at each place to find the answer. 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.