Task your little mathematicians to crack the code of adding different decimal places less than 100 with this fun worksheet. In this worksheet, students add decimals by aligning the decimal points and using zero as a placeholder. They then use the relationship between addition and subtraction to find the missing number in the add different decimal places less than 100 worksheet. 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.