Mastering Multiplying Decimals in 5th Grade

What is the first step in multiplying decimals according to the video?

• Multiply the decimals directly

• Add the numbers first

• Remove the decimal and multiply as whole numbers

• Line up the decimals

Tags

CCSS.6.NS.B.3

What is the importance of removing the decimal during multiplication?

• To make it a division problem

• To increase the number's value

• There is no importance

• To simplify the calculation

Tags

CCSS.5.NBT.B.7

How do you determine the correct placement of the decimal in your answer?

• By counting the total digits in the answer

• By counting the decimal places in the original numbers

• By subtracting the decimal places

• By adding the number of decimal places in both numbers

Tags

CCSS.5.NBT.B.7

In the first example, what is the correct final answer?

• 6.5

• 0.65

• 65

• 650

Tags

CCSS.5.NBT.B.7

What is the final answer for the second example?

• 3.13

• 31.32

• 3.132

• 313.2

Tags

CCSS.5.NBT.B.7

How many digits are behind the decimal in the answer of the second example?

• One

• Two

• Three

• Four

Tags

CCSS.5.NBT.B.7

In the third example, how many digits are to the right of the decimal in the final answer?

• Four

• Three

• Two

• One

Tags

CCSS.5.NBT.B.7

What is the final answer to the third example?

• 19.38

• 1938

• 193.8

• 1.938

Tags

CCSS.5.NBT.B.7

For the fourth example, what is the correct process for placing the decimal?

• Place it after counting three places from the right

• Place it after counting three places from the left

• Random placement

• No need to place the decimal

Tags

CCSS.6.NS.B.3

In the fourth example, how many placeholder zeros are used for the multiplication?

• Three

• One

• None

• Two

Tags

CCSS.4.NBT.B.5