DECIMALS AND SCIENTIFIC NOTATION

In this unit, you will begin with a review of computations in decimals. You will also write decimals as fractions and vice versa. You will then examine numbers expressed in scientific notation by writing and comparing numbers expressed in scientific notation, and also computing with numbers in scientific notation.

 Decimal Point and Decimal Places (01:39)

 Addition and Subtraction (02:27)
 

 Multiplication and Division (04:17)

 

  Dividing Decimals
 

 Decimals, Terminating and Repeating--Batting Averages (02:39)
 
 Introduction (01:53)
 Scientific Notation (03:04)
 Scientific Notation: Using Exponents to Represent Large Numbers (01:41)
 Scientific Notation for Very Low Numbers--DNA (02:25)
 

 

  Fractions, Decimals, and Percents--Stocks and Statues (03:25)

 

Review Worksheets
The review worksheets are provided to give extra practice in skill areas presented in the unit. The worksheets are optional unless otherwise specified by the instructor. The worksheets are Adobe Acrobat files. Click on the pencil icon to open the document. Save the document to a folder on the computer, and then enter answers for the problems in the textboxes. Once the document is completed, make sure to save it again, and then send the document to the instructor via email. The answer key provided is for the instructors only and is password protected.

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Practice Worksheet: Compare Decimals
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Practice Worksheet: Add and Subtract Decimals
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Practice Worksheet: Multiply Decimals
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Practice Worksheet: Divide Decimals by Whole Numbers
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Practice Worksheet: Divide Decimals
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Practice Worksheet: Change Decimals to Fractions
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Practice Worksheet: Change Fractions to Decimals
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Practice Worksheet: More Changing Fractions to Decimals
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Practice Worksheet: Word Problems with Decimals
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Practice Worksheet: Write Scientific Notation in Standard Numbers
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Practice Worksheet: Express Standard Numbers in Scientific Notation
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Practice Worksheet: Word Problems with Scientific Notation
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