Decimal Multiplication and Division

Front

What is decimal multiplication?

Back

Decimal multiplication is the process of multiplying numbers that have decimal points. It involves aligning the numbers, ignoring the decimal points during multiplication, and then placing the decimal point in the product based on the total number of decimal places in the factors.

Front

What is decimal division?

Back

Decimal division is the process of dividing numbers that have decimal points. It involves moving the decimal point in the divisor to make it a whole number and adjusting the dividend accordingly, then performing the division as usual.

Front

How do you multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there is no decimal, then place the decimal point in the product based on the number of decimal places in the decimal.

Front

How do you divide a decimal by a whole number?

Back

To divide a decimal by a whole number, divide as if there is no decimal, then place the decimal point in the quotient directly above the decimal point in the dividend.

Front

What is the result of 3.76 x 0.2?

Back

0.752

Front

What is the result of 450.1 ÷ 7?

Back

64.3

Front

What is the result of 227.5 ÷ 7?

Back

32.5

Front

What is the result of 2.1 ÷ 7?

Back

0.3

Front

What is the result of 95.20 ÷ 17?

Back

5.60

Front

What is the importance of decimal places in multiplication?

Back

Decimal places determine the position of the decimal point in the product. The total number of decimal places in the factors must equal the number of decimal places in the product.