Today we will find decimal equivalents for common fractions equivalent=  alike fraction=part of a whole decimal=a number l...
*Place over 100 Sounds like fraction *Divide Divide Move decimal two places to the left Move the decimal two places to the...
Divide
Equivalent means to show the same number in a different way.  Equivalent CD 7 10 = 0.7
How do we convert a fraction  to a decimal? <ul><li>Divide numerator by denominator </li></ul>
CD _ 7 10 numerator denominator = =
CD _ 7 10
CD 7 10
Divide
 
 
 
<ul><li>½ = .50 = 50%= </li></ul><ul><li>¼ = .25 = 25% =  </li></ul>
<ul><li>Write     9  </li></ul><ul><li>25    </li></ul>as a decimal
<ul><li>Write     9  </li></ul><ul><li>25    </li></ul>as a decimal
<ul><li>Write     9  </li></ul><ul><li>25    </li></ul>as a decimal
<ul><li>Write     9  </li></ul><ul><li>25    </li></ul>as a decimal
Fraction <ul><li>A fraction is a number (numerator and denominator) that shows part of a whole set. </li></ul><ul><li>An e...
Decimal <ul><li>A number less than 1.  </li></ul><ul><li>Examples: </li></ul><ul><li>0.50 </li></ul><ul><li>0.25 </li></ul...
Common fraction and their decimal equivalents Fraction Decimal Percent 1 1.0 100% 1/3 .333 33.3% 1/4 .25 25% 1/5 .2 20% 1/...
Another way to find decimals equivalents from fractions  How to convert fraction to decimals What number do you have to mu...
Why is understanding  how to  find decimal equivalents for common fractions important? <ul><li>You will know how to conver...
Write a fraction and a decimal for each shaded part. = 8  6.00 7 - 56 40 - 4 0 5 00 .
Write a fraction and a decimal for each shaded part. = 0.41
Find the decimal for the fraction. =
Write a fraction for the shaded part of the pie graph. 2  8.00 4 - 8 0 0 - 0  0 0 00 . = <ul><li>Ask yourself, “How much o...
Write a fraction and a decimal for each shaded part. = 4  2.00 5 - 2 0 0 0 - 0  0 0 00 . <ul><li>Ask yourself, “How much o...
Let’s review how to  find decimal equivalents for common fractions <ul><li>What is a decimal? </li></ul><ul><li>What is a ...
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EDI NS 1.2 Revised

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EDI NS 1.2 Revised

  1. 1. Today we will find decimal equivalents for common fractions equivalent= alike fraction=part of a whole decimal=a number less than 1 Concept
  2. 2. *Place over 100 Sounds like fraction *Divide Divide Move decimal two places to the left Move the decimal two places to the right and add % APK
  3. 3. Divide
  4. 4. Equivalent means to show the same number in a different way. Equivalent CD 7 10 = 0.7
  5. 5. How do we convert a fraction to a decimal? <ul><li>Divide numerator by denominator </li></ul>
  6. 6. CD _ 7 10 numerator denominator = =
  7. 7. CD _ 7 10
  8. 8. CD 7 10
  9. 9. Divide
  10. 13. <ul><li>½ = .50 = 50%= </li></ul><ul><li>¼ = .25 = 25% = </li></ul>
  11. 14. <ul><li>Write    9  </li></ul><ul><li>25   </li></ul>as a decimal
  12. 15. <ul><li>Write    9  </li></ul><ul><li>25   </li></ul>as a decimal
  13. 16. <ul><li>Write    9  </li></ul><ul><li>25   </li></ul>as a decimal
  14. 17. <ul><li>Write    9  </li></ul><ul><li>25   </li></ul>as a decimal
  15. 18. Fraction <ul><li>A fraction is a number (numerator and denominator) that shows part of a whole set. </li></ul><ul><li>An example: </li></ul>CD Numerator Denominator
  16. 19. Decimal <ul><li>A number less than 1. </li></ul><ul><li>Examples: </li></ul><ul><li>0.50 </li></ul><ul><li>0.25 </li></ul><ul><li>0.33 </li></ul><ul><li>0.75 </li></ul><ul><li>Where 1 = 1.00 </li></ul>
  17. 20. Common fraction and their decimal equivalents Fraction Decimal Percent 1 1.0 100% 1/3 .333 33.3% 1/4 .25 25% 1/5 .2 20% 1/8 .125 12.5% 1/10 .1 10% 1/2 .5 50% 2/3 .666 66.6% 3/4 .75 75% 2/5 .4 40% 5/8 .624 62.5% 9/10 .9 90%
  18. 21. Another way to find decimals equivalents from fractions How to convert fraction to decimals What number do you have to multiply the denominator to get 100? X = X = You get 20/100 and you know that this is .20 .20
  19. 22. Why is understanding how to find decimal equivalents for common fractions important? <ul><li>You will know how to convert fractions to decimals. </li></ul><ul><li>It will be tested on future CST exams! </li></ul><ul><li>What are other reasons why it is important to know how to find decimal equivalents for common fractions </li></ul>IMP
  20. 23. Write a fraction and a decimal for each shaded part. = 8 6.00 7 - 56 40 - 4 0 5 00 .
  21. 24. Write a fraction and a decimal for each shaded part. = 0.41
  22. 25. Find the decimal for the fraction. =
  23. 26. Write a fraction for the shaded part of the pie graph. 2 8.00 4 - 8 0 0 - 0 0 0 00 . = <ul><li>Ask yourself, “How much of the pie graph is shaded?” </li></ul><ul><li>Write the shaded part as a fraction </li></ul><ul><li>Divide </li></ul><ul><li>Make sure your decimal is in the right place. </li></ul>
  24. 27. Write a fraction and a decimal for each shaded part. = 4 2.00 5 - 2 0 0 0 - 0 0 0 00 . <ul><li>Ask yourself, “How much of the pie graph is shaded?” </li></ul><ul><li>Write the shaded part as a fraction </li></ul><ul><li>Divide </li></ul><ul><li>Make sure your decimal is in the right place. </li></ul>
  25. 28. Let’s review how to find decimal equivalents for common fractions <ul><li>What is a decimal? </li></ul><ul><li>What is a fraction? </li></ul><ul><li>What are number equivalents? </li></ul><ul><li>How do you write as a decimal? </li></ul>“ out of a hundred” % Percent

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