Help your little one develop a knack for math with this subtract thousandths less than 1 worksheet. Students align the decimal points and use zero as space holders to subtract decimals. Then they use the relationship between addition and subtraction to find the missing number in subtract thousandths less than 1 worksheet. 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.