IXL | Multiply two decimals: products up to thousandths

Multiply:

0.66 × 0.5 =

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Learn with an example

question

Multiply:


	0.3

×	0.13

key idea

Count the total number of decimal places in both factors. Move the decimal point one place to the left for each decimal place you counted.

solution

To make the problem easier, put the number with fewer digits on the bottom.


	0.13

×	0.3

Multiply as you would multiply whole numbers.


	0	.	1	3

×		0	.	3


	3	9

Count the total number of decimal places in the factors. There are 2 decimal places in 0.13 and 1 decimal place in 0.3. There are 3 decimal places in all. Move the decimal point 3 places to the left in the answer.

39. → 0.039

Write the answer:


	0.3

×	0.13

0.039

Looking for more? Try these:

Lesson: Multiplying decimals

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Teacher tools

Work it out

Not feeling ready yet? These can help:

DD.6Multiply two decimals: products up to hundredths

DD.5Multiply decimals using area models

Lesson: Multiplying decimals

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