Mastering Multiplication and Division with Powers of 10

This video tutorial explains how to multiply and divide numbers by powers of 10. It covers the process of shifting digits to different place value columns when multiplying or dividing by 10, 100, and 1000. The tutorial includes examples with whole numbers and decimals, demonstrating how to adjust the placement of digits and fill in zeros where necessary. The video also highlights the inverse relationship between multiplication and division by powers of 10.

What happens to the digits of 256 when it is multiplied by 10?

• They move down one column.

• They disappear.

• They stay in the same column.

• They move up one column.

When 256 is multiplied by 100, how many columns do the digits move up?

• One column

• Three columns

• Four columns

• Two columns

What is the result of multiplying 256 by 1000?

• 2560

• 25600

• 2560000

• 256000

What is 2.56 multiplied by 10?

• 2.56

• 0.256

• 25.6

• 256

When 2.56 is multiplied by 100, what is the result?

• 0.256

• 2.56

• 256

• 25.6

What is the result of multiplying 2.56 by 1000?

• 2.56

• 2560

• 256

• 25.6

What happens to the digits of 680 when it is divided by 10?

• They move up one column.

• They stay in the same column.

• They move down one column.

• They disappear.

When 680 is divided by 100, how many columns do the digits move down?

• One column

• Four columns

• Two columns

• Three columns

What is the result of dividing 680 by 1000?

• 0.68

• 6.8

• 68

• 0.068

What is 98 divided by 1000?

• 0.098

• 98

• 0.98

• 9.8