STEPS:
Line up the decimal points and place values
Add place holder zeros where needed
Add or Subtract as normal
Bring the decimal stragiht down in your answer
STEPS:
Line up the digits--NOT the decimals
Multiply as normal
Count the number of decimal places in the numbers you multiplied, you need the same number of decimal places in your answer.
Long division with whole numbers
STEPS:
Are there decimals in the divisor??
If there are, make the divisor a whole number by moving the decimal all the way to the right, then move the decimal in the dividend the SAME number of places.
Move the decimal up into your quotient
Divide as normal
If you have a reminder--add zeros to bring down and keep dividing
You may need to round your answer if it keeps going on forever
Extra Practice