Multiply and Divide Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal that represents 5/10.

Front

How do you divide a decimal by a whole number?

Back

To divide a decimal by a whole number, move the decimal point in the dividend (the number being divided) to the right as many places as needed to make it a whole number, then divide as usual.

Front

What is the result of 1.08 ÷ 4?

Back

0.27

Front

How do you multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there were no decimal, 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 11.3 × 2.5?

Back

28.25

Front

What is the result of 7.8 ÷ 0.03?

Back

260

Front

What is the result of 1.44 ÷ 0.4?

Back

3.6

Front

What is the result of 0.6 ÷ 5?

Back

0.12

Front

What does it mean to multiply decimals?

Back

Multiplying decimals involves finding the product of two decimal numbers, which can be done by ignoring the decimal points initially and then placing the decimal point in the result based on the total number of decimal places in the factors.

Front

What is the importance of decimal placement in multiplication?

Back

The placement of the decimal point in the product is crucial as it determines the value of the result. The total number of decimal places in the factors dictates how many decimal places the product should have.