Can your young mathematician add and subtract decimals less than 100? That's exactly what they do here. Students align the decimal points and use zero as space holders to add and subtract decimals. Then they use the relationship between addition and subtraction to find the missing number in add and subtract decimals less than 100 worksheet. In this worksheet, students practice solving problems using the column method. This method is especially helpful with problems involving bigger multi-digit numbers as the format provides an easy structure to follow.