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Converting decimals to fractions is important when you want to find out a definite number.  Decimals can repeat forever..

Converting decimals to fractions is not hard. First, place the decimal number over its place value.  Then simplify the fraction.

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It is very important to know how to add and subtract decimals. If you are giving someone change back you have to know how to add and subtract decimals.

The process of adding and subtracting decimals is to start by writing the numbers, one under the other, with the decimal points lined up. Then, put in zeros so the numbers have the same length. Next, add or subtract using column addition and don't t forget to put the decimal point in.

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We compare and order decimals so we can find out which number is larger and which is smaller.

Order your numbers from least to greatest.  Then, we can tell which number is the largest and which is the smallest.

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Rounding decimals is a way to get a quick idea of what the value of the number is.

First, determine what place value you want to round to.  Then, we look at the next place value to see if it is 5 or higher.  If it is increase the place value number you want to round to one number higher.  Now, if it is 4 or less you would just ignore it.

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It helps to multiply decimals when you are trying to find out the area of a house, because you need to know the square feet.

To multiply decimals line the decimal points up with each other. Then you line up the numbers. Next you multiply the numbers. Finally, you count the total numbers after the decimals in the problem, and you move the decimal that many places to the left of your final answer.

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An example of a reason you may need to divide decimals would be when you grow up and would happen to work at a rock quary you will know how much graval to put in each dump truck.  For instance, if you have a certain weight of gravel and would need to divide it equally between the number of dump trucks you have, then you would know the exact weight of gravel for each dump truck.

First, move the decimal in the divisor to the right to make it a whole number.  Then, move the decimal in the dividend the same number of spaces.  Next divide your answer keeping your decimal at the same space over as it is in the dividend.

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www.dummies.com/.../math/algebra/how-to-convert-decimals-to-fractions

WWW.MATHDECIMALS.WEEBLY.COM

WWW.SLIDESHARE.NET

www.math.com/school/subject1/lessons/S1U4GL.html

http://www.coolmath.com/prealgebra/02-decimals/10-decimals-dividing-by-decimal-01

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ADDING AND SUBTRACTING DECIMALS ANWER KEY

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ADDING AND SUBTRACTING DECIMALS ANWER KEY