Decimal Multiplication and Division Review

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

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers. Count the total number of decimal places in both numbers, and place the decimal point in the product accordingly.

Front

What is the product of 0.04 and 0.3?

Back

0.012

Front

What is decimal division?

Back

Decimal division is the process of dividing numbers that have decimal points. It involves adjusting the divisor to be a whole number by moving the decimal point, and then performing the division.

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to the right to make it a whole number. Move the decimal point in the dividend the same number of places to the right, then divide as usual.

Front

What is 14.95 ÷ 65?

Back

0.23

Front

What is the quotient of 450.1 and 7?

Back

64.3

Front

If a ribbon is 28.5 inches long and cut into 6 equal pieces, what is the length of each piece?

Back

4.75 inches

Front

What is 95.20 ÷ 17?

Back

5.60

Front

What is the importance of decimal places in multiplication?

Back

Decimal places determine the precision of the result. The more decimal places in the factors, the more decimal places will be in the product.