Mastering Decimal Multiplication Techniques

This video tutorial explains how to multiply decimal numbers by treating them like whole numbers and then adjusting for decimal places. It provides multiple examples to illustrate the process, emphasizing the importance of counting decimal places in the numbers being multiplied. The lesson concludes with a summary to reinforce the concept of placing the decimal point correctly in the product.

What is the additional step in multiplying decimal numbers compared to whole numbers?

• Adding the numbers

• Subtracting the smallest number

• Aligning the decimal points

• Counting the total decimal places

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CCSS.5.NBT.B.7

If you multiply 1.006 by 3.24, how many decimal places should the product have?

• Two decimal places

• Three decimal places

• Six decimal places

• Five decimal places

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CCSS.6.NS.B.3

What is the product of 1.006 and 3.24?

• 32.5944

• 0.325944

• 325.944

• 3.25944

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CCSS.6.NS.B.3

If a number has three decimal places and is multiplied by a number with two decimal places, how many decimal places are in the product?

• Three decimal places

• Five decimal places

• Six decimal places

• Two decimal places

Tags

CCSS.5.NBT.B.7

When multiplying 1.006 by 3.24, where should the decimal point be placed in the product?

• After the second digit

• After the first digit

• After the third digit

• After the fifth digit

Tags

CCSS.6.NS.B.3

In the multiplication of 17.5 and 0.69, what is the correct placement of the decimal in the product?

• 120.75

• 12.75

• 1.2075

• 12.075

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CCSS.6.NS.B.3

What is the total number of decimal places in the product when multiplying numbers with three and one decimal places respectively?

• One decimal place

• Two decimal places

• Three decimal places

• Four decimal places

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CCSS.5.NBT.B.7

What is the correct decimal placement for the product of 17.5 and 0.69?

• 120.75

• 1.2075

• 12.075

• 12.75

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CCSS.6.NS.B.3

How do you determine the position of the decimal point in the product of decimal multiplication?

• By dividing the decimal places

• By multiplying the decimal places

• By subtracting the decimal places

• By adding the decimal places of both numbers

Tags

CCSS.5.NBT.B.7

In the final example, if the product of the numbers is 184, and the total decimal places are four, where should the decimal point be placed?

• 1.8

• 0.0184

• 18.4

• 1.84

Tags

CCSS.6.NS.B.3