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Multiplying and Dividing Decimals by 10, 100, and 1,000

Learn the basics of multiplying and dividing decimals by 10, 100, and 1,000. Understand how to move the decimal point to the right or left based on the number of zeros you are multiplying or dividing by.

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Multiplying and Dividing Decimals by 10, 100, and 1,000

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  1. Multiplying and Dividing Decimals by 10, 100, and 1,000 Lesson 1-8

  2. The Basics: • When you multiply by 10, 100, or 1,000, you can move the decimal point to the right. • The number of decimal places you move is the same as the number of zeroes you are multiplying by. • When you divide by 10, 100, or 1,000, you can move the decimal point to the left. Move the decimal point once for each zero you are dividing by.

  3. 1.492 x 100 Move the decimal to the right: two spaces. 149.2

  4. 2,124.94 ÷ 1,000 Move the decimal to the left: three spaces. 2.12494

  5. 4.2 ÷ 100 Move the decimal point to the left: two spaces. Add a zero for the second space. .042

  6. 15.36 x 1,000 Move the decimal point to the right: three spaces. Add a zero for the third space. 15,360

  7. Homework Time The above image is a royalty free picture provided by http://www.bigfoto.com

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