By: Ana Paula Sottil
To do an operation with decimals, you need to a line them.
what is a lining?
to align a decimal, is to have the decimals and the numbers (hundredths, thousandths etc.) aligned.
to align the decimals, be sure to have the decimal exactly in the same place than the other number
You can have tenths, hundredths, thousandths, ten thousandths, hundred thousandths, and more