#### Transcript of DECIMAL OPERATIONS

**SOLVING OPERATIONS WITH DECIMALS**

DECIMAL OPERATIONS

Samantha went shopping at the mall. She bought a skirt for $24.99, three shirts for $8.99 each, and a pair of shoes for $19.99. If she handed the clerk a $100 bill, how much change will she receive back?

ADDING DECIMALS

LINE UP DECIMALS

NEXT, LINE UP NUMBERS

FILL IN THE BLANK SPACES WITH ZEROS

SUBTRACTING DECIMALS

ALL OF THE ADDITION RULES APPLY

ZEROS CAN BE ADDED ONLY AFTER A DECIMAL

MULTIPLYING DECIMALS

LINE UP NUMBERS

IGNORE THE DECIMAL UNTIL YOUR FINAL ANSWER

HOWEVER MANY DIGITS ARE BEHIND A DECIMAL IN THE PROBLEM, MUST BE BEHIND THE DECIMAL IN THE ANSWER!

DIVIDING DECIMALS

ADD DECIMAL BEFORE YOU ADD ZERO

NO DECIMAL AT THE DOOR, DECIMAL GOES UP

DECIMAL AT THE DOOR AND INSIDE, SWOOP!

WHATEVER YOU DO TO THE OUTSIDE, YOU MUST DO TO THE INSIDE!

Samantha went shopping at the mall. She bought a skirt for $24.99, three shirts for $8.99 each, and a pair of shoes for $19.99. If she handed the clerk a $100 bill, how much change will she receive back?

FIRST: 3 X $8.99 =

THEN: ADD THAT TO $24.99 AND $19.99

FINALLY: $100 - THAT TOTAL = THE AMOUNT OF CHANGE

The Decimal Song

Full transcript