Mastering Decimal Multiplication

What is the first step when multiplying decimals?

• Place the longer number on top

• Line up the decimals

• Subtract the smaller number

• Add the decimals first

Tags

CCSS.6.NS.B.3

What should you do with the decimals during the multiplication process?

• Subtract them

• Add them together

• Ignore them until the end

• Multiply them first

Tags

CCSS.5.NBT.B.7

How do you determine where to place the decimal in the final answer?

• By adding the numbers

• By counting the total number of decimal places in the original numbers

• By subtracting the numbers

• By guessing

Tags

CCSS.5.NBT.B.7

In the second example, how many decimal places are there in the final answer?

• Three

• Four

• Two

• One

Tags

CCSS.5.NBT.B.7

What is the product of 1.23 and 0.9?

• 0.9

• 1.23

• 1.11

• 1.107

Tags

CCSS.6.NS.B.3

In the third example, what is the first step after lining up the numbers?

• Divide the numbers

• Subtract the numbers

• Multiply the numbers

• Add the numbers

Tags

CCSS.6.NS.B.3

How many decimal places are there in the final answer of the third example?

• Two

• Three

• Five

• Four

Tags

CCSS.5.NBT.B.7

What is the product of 3.95 and 0.45?

• 1.78

• 1.79

• 1.775

• 1.80

Tags

CCSS.6.NS.B.3

What is the product of 0.72 and 8?

• 6.0

• 5.8

• 5.76

• 6.2

Tags

CCSS.6.NS.B.3

What is the product of 7.63 and 1.4?

• 10.682

• 10.7

• 10.8

• 10.9

Tags

CCSS.6.NS.B.3