Decimal Multiplication Models

Front

What is decimal multiplication?

Back

Decimal multiplication is the process of multiplying numbers that have decimal points, which involves aligning the numbers and multiplying as if they were whole numbers, then placing the decimal point in the product.

Tags

CCSS.6.NS.B.3

Front

How do you multiply two decimals?

Back

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

Tags

CCSS.6.NS.B.3

Front

What is the product of 0.7 and 0.4?

Back

0.7 x 0.4 = 0.28

Tags

CCSS.6.NS.B.3

Front

What is the product of 0.15 and 3?

Back

0.15 x 3 = 0.45

Tags

CCSS.6.NS.B.3

Front

What is the product of 0.1 and 0.2?

Back

0.1 x 0.2 = 0.02

Tags

CCSS.6.NS.B.3

Front

What is the product of 0.3 and 0.7?

Back

0.3 x 0.7 = 0.21

Tags

CCSS.6.NS.B.3

Front

What is the product of 0.2 and 0.1?

Back

0.2 x 0.1 = 0.02

Tags

CCSS.6.NS.B.3

Front

What does it mean to align decimal points in multiplication?

Back

Aligning decimal points means ensuring that the numbers are lined up correctly according to their place values before performing the multiplication.

Tags

CCSS.5.NBT.B.7

Front

What is a common mistake when multiplying decimals?

Back

A common mistake is forgetting to count the decimal places correctly when placing the decimal point in the product.

Tags

CCSS.5.NBT.B.7

Front

How many decimal places are in the product of 0.7 and 0.4?

Back

There are a total of 2 decimal places in the product of 0.7 (1 decimal place) and 0.4 (1 decimal place), so the product will have 2 decimal places.

Tags

CCSS.6.NS.B.3