Mastering Decimal Multiplication with Area Models

What is the purpose of using an area model in this lesson?

• To multiply decimals

• To divide decimals

• To subtract decimals

• To add decimals

What does a group of 100 base 10 blocks represent?

• 1000

• 1

• 100

• 10

How many pieces represent tenths when a whole unit is divided?

• 5

• 10

• 20

• 100

What is a common mistake when multiplying decimals?

• Forgetting to divide the decimals

• Forgetting to take the decimal into consideration

• Forgetting to subtract the decimals

• Forgetting to add the decimals

What is the smart estimate for multiplying five-tenths by three-tenths?

• Exactly 2 tenths

• A little more than 1 tenth

• A little less than 1 tenth

• Exactly 1 tenth

How many hundredths are there in three-tenths?

• 40

• 30

• 20

• 10

What is the result of combining five-tenths of three-tenths?

• Four-tenths and five hundredths

• Three-tenths and five hundredths

• One-tenth and five hundredths

• Two-tenths and five hundredths

What is the smart estimate for multiplying four-tenths by five-tenths?

• Around 1 tenth

• Around 2 tenths

• Around 4 tenths

• Around 3 tenths

What is the result of multiplying four-tenths by five-tenths?

• Three-tenths

• Four-tenths

• Two-tenths

• One-tenth

What have you learned in this lesson?

• How to subtract decimals using an area model

• How to add decimals using an area model

• How to divide decimals using an area model

• How to multiply decimals using an area model