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1-8 Multiplying and Dividing Decimals by 10, 100, and 1,000. Math 6 Mrs. Ymas. 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.
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1-8 Multiplying and Dividing Decimals by 10, 100, and 1,000 Math 6 Mrs. Ymas
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.
1.492 x 100 Move the decimal to the right: two spaces. 149.2
15.36 x 1,000 Move the decimal point to the right: three spaces. Add a zero for the third space. 15,360
2,124.94 ÷ 1,000 Move the decimal to the left: three spaces. 2.12494
4.2 ÷ 100 Move the decimal point to the left: two spaces. Add a zero for the second space. .042
