Decimal multiplication

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.

Tags

CCSS.6.NS.B.3

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, then place the decimal point in the product so that it has the same number of decimal places.

Tags

CCSS.6.NS.B.3

Front

What is 0.3 x 0.5?

Back

0.3 x 0.5 = 0.15

Tags

CCSS.6.NS.B.3

Front

What is the value of 7 bags of candy at $1.50 each?

Back

7 bags x $1.50 = $10.50

Tags

CCSS.7.EE.B.3

Front

In the number 12.087, which digit is in the thousandths place?

Back

The digit in the thousandths place is 7.

Tags

CCSS.5.NBT.A.3A

Front

What does the equation 0.9 x 0.2 represent?

Back

0.9 x 0.2 = 0.18

Tags

CCSS.6.NS.B.3

Front

What is the product of 0.3 and 0.2?

Back

0.3 x 0.2 = 0.06

Tags

CCSS.6.NS.B.3

Front

How do you determine the decimal point in a product?

Back

Count the total number of decimal places in the factors. The product's decimal point is placed so that it has the same number of decimal places.

Tags

CCSS.5.NBT.B.7

Front

What is the result of multiplying a whole number by a decimal?

Back

The result is a decimal that is smaller than the whole number, depending on the decimal's value.

Tags

CCSS.5.NBT.B.7

Front

What is the relationship between multiplication and addition in decimals?

Back

Multiplication can be seen as repeated addition. For example, 0.3 x 4 is the same as adding 0.3 four times.

Tags

CCSS.5.NBT.B.7