Convert Decimals to Fractions

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Presentation Description

Convert decimals to fractions using base 10 numbers. Putting the decimals over 10, 100, 1000 etc

Comments

By: lpills (45 month(s) ago)

Thanks! Very helpful for my middle school students.

Presentation Transcript

Conversions : 

Conversions Decimals to Fractions and Fractions to Decimals

What are we learning? : 

What are we learning? In this lesson you will learn how to convert decimals to fractions and fractions to decimals

Why is this important? : 

Why is this important? There are different notations for the same number.  One number can be expressed in different ways.  This lesson will focus on decimals and fractions. Many times a number is expressed in one notation and you need to see it in a different notation.  This lesson will teach how to change decimals to fractions and fractions to decimals.  All we have to do is understand that fractions and decimals are really the same thing. Sometimes it is best to use decimals, and other times it is best to use fractions.

How to Convert Decimals to Fractions : 

How to Convert Decimals to Fractions Use the place value of the last digit in the number to determine what the denominator of the fraction will be.

How to Convert Decimals to Fractions : 

How to Convert Decimals to Fractions .24

How to Convert Decimals to Fractions : 

How to Convert Decimals to Fractions .5 The 5 is in the tenths place 10 5

How to Convert Decimals to Fractions : 

How to Convert Decimals to Fractions .84 The 4 is in the hundredths place 100 84

What if there is a whole number before the decimal point? : 

What if there is a whole number before the decimal point? 1.589 The 9 is in the thousandths place 1000 589 1

What if there is a whole number before the decimal point? : 

25.5 The 5 is in the tenths place 10 5 25 What if there is a whole number before the decimal point?

How to Convert Fractions to Decimals : 

How to Convert Fractions to Decimals 100 23 This is the hundredths place so the 3 needs to be in the hundredths place. 2 3 .23

How to Convert Fractions to Decimals : 

How to Convert Fractions to Decimals 1000 567 This is the thousandths place so the 7 needs to be in the thousandths place. 5 6 .567 7

How to Convert Fractions to Decimals : 

How to Convert Fractions to Decimals 1000 4 This is the thousandths place so the 4 needs to be in the thousandths place. 0 0 .004 4

How to Convert Fractions to Decimals : 

How to Convert Fractions to Decimals 10 2 This is the tenths place so the 2 needs to be in the tenths place. 2 .2

What if there is a whole number before the fraction? : 

What if there is a whole number before the fraction? 1000 567 This is the thousandths place so the 7 needs to be in the thousandths place. 5 6 3.567 7 3 3

How to Convert Fractions to Decimals : 

How to Convert Fractions to Decimals 1000 34 24.034 24 This is the thousandths place so the 4 needs to be in the thousandths place.

If you still have questions, review the PowerPoint again. : 

If you still have questions, review the PowerPoint again. Or call your DEC teacher

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