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Guiding Question: How can the processes of multiplication and division be applied to decimal numbers?
Standard Algorithms: Use these for multiplication and division of both natural and decimal numbers.
Remainders: A remainder in a division problem can be expressed as a decimal number.
The Procedure:
Multiply: Multiply as whole numbers, then count the total decimal places in the original numbers to place the decimal in the answer.
Divide: Divide up to 3-digit numbers by 2-digit numbers.
Reasonableness: Always use estimation to check if your answer makes sense
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