Unit 6 Review Multiply Multi-Digit Numbers with Decimals

Front

What is the process for multiplying multi-digit numbers with decimals?

Back

1. Align the numbers vertically, ignoring the decimal points. 2. Multiply as if they were whole numbers. 3. Count the total number of decimal places in both numbers. 4. Place the decimal point in the product, ensuring it has the same number of decimal places as the total counted.

Front

How do you multiply a decimal by a whole number?

Back

Multiply the whole number by the decimal as if the decimal were a whole number. Then, place the decimal point in the product based on the number of decimal places in the original decimal.

Front

What is the result of multiplying 45.1 by 7?

Back

315.7

Front

What is the result of multiplying 3.5 by 4.92?

Back

17.22

Front

If Ms. Stock bought 12 boxes of candy canes at $0.98 each, how do you calculate the total cost?

Back

Multiply the number of boxes (12) by the cost per box ($0.98): 12 x 0.98 = $11.76.

Front

What is the result of multiplying 4 by 0.03?

Back

0.12

Front

What is the equivalent of multiplying 3.8 by 100?

Back

380

Front

What is the importance of decimal placement in multiplication?

Back

Decimal placement determines the value of the product. It is crucial to count the decimal places correctly to ensure the answer is accurate.

Front

How do you handle multiplication when one number is a whole number and the other is a decimal?

Back

Multiply as if both numbers are whole numbers, then adjust the decimal point in the product based on the decimal places in the decimal number.

Front

What is the first step in multiplying two decimal numbers?

Back

Ignore the decimal points and multiply the numbers as if they were whole numbers.