Lab1 ppsx

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Lab1 ppsx

  1. 1. Fractions and Decimals By Kari Knisely
  2. 2. IntroductionObjective:The learner will understand how fractions and decimals are equivalent as wellas how to convert between fractions and decimals.Target Audience:The intended audience includes middle school 7th grade math students.Viewable:Having access to the Internet will allow you to view this presentation or youcan download to view as well if PowerPoint is an application on yourcomputer.Duration:The lesson should take approximately 20 minutes to complete.
  3. 3. Table of Contents• Fractions• Decimals• Convert a fraction to a decimal• Convert a decimal to a fraction• Examples• Practice• Conclusion
  4. 4. Fractions
  5. 5. Fractions14
  6. 6. Decimals 0.25
  7. 7. Fractions = Decimals14 = 0.25
  8. 8. What is a fraction?
  9. 9. Part vs Whole Part = How many pieces are shaded?
  10. 10. Part vs Whole Part =1 How many pieces are shaded?
  11. 11. Part vs Whole Part =1 How many pieces are shaded? This number will be your numerator
  12. 12. Part vs Whole Part = 1 How many pieces are shaded? This number will be your numerator1
  13. 13. Part vs Whole Whole = How many pieces is the whole divided into?1
  14. 14. Part vs Whole Whole =1 How many pieces is the whole divided into? 1
  15. 15. Part vs Whole Whole =1 2 How many pieces is the whole divided into? 1
  16. 16. Part vs Whole Whole =1 2 How many pieces is the whole divided into? 3 1
  17. 17. Part vs Whole Whole =1 2 How many pieces is the whole divided into?4 3 1
  18. 18. Part vs Whole Whole =1 2 How many pieces is the whole divided into?4 3 This number will be your denominator 1
  19. 19. Part vs Whole Whole =1 2 How many pieces is the whole divided into?4 3 This number will be your denominator 1 4
  20. 20. Decimals
  21. 21. What is the value with decimals? If you had $1.00, and had to divide it evenly between the 4 pieces, how much would go in each piece?
  22. 22. $1.00 divided into 4 pieces
  23. 23. $1.00 divided into 4 pieces.25
  24. 24. $1.00 divided into 4 pieces.25 .25
  25. 25. $1.00 divided into 4 pieces.25 .25 .25
  26. 26. $1.00 divided into 4 pieces.25 .25 .25 .25
  27. 27. What is this with decimals? If you had $1.00, and.25 .25 had to divide it evenly between the 4 pieces,.25 .25 how much would go in each piece?
  28. 28. What is this with decimals? If you had $1.00, and.25 .25 had to divide it evenly between the 4 pieces,.25 .25 how much would go in each piece? Each piece is worth .25
  29. 29. Converting Fraction to Decimal
  30. 30. Converting a Fraction to a DecimalWhen given a fraction and you need the decimalconversion- Divide the numerator by the denominator.
  31. 31. Converting a Fraction to a DecimalWhen given a fraction and you need the decimalconversion- Divide the numerator by the denominator. 4 = 0.8 5
  32. 32. Converting Decimal to Fraction
  33. 33. Converting a Decimal to a FractionWhen given a decimal and you need the fractionconversion1. Numerator – The digits to the right of the decimal point2. Denominator – The place value of the last digit3. Simplify into simplest form if necessary
  34. 34. Converting a Decimal to a FractionNumerator willbe the digits toright of decimalpoint.
  35. 35. Converting a Decimal to a Fraction 24Numerator willbe the digits toright of decimalpoint.
  36. 36. Converting a Decimal to a Fraction 24Denominatorwill be placevalue of lastdigit.
  37. 37. Converting a Decimal to a Fraction 24 100Denominatorwill be placevalue of lastdigit.
  38. 38. Converting a Decimal to a FractionSimplify if needed…. - Divide top and bottom by same numbertil you can’t anymore 24 ÷4 = 100
  39. 39. Converting a Decimal to a FractionSimplify if needed…. - Divide top and bottom by same numbertil you can’t anymore 24 6 ÷4 = 25 100
  40. 40. Examples
  41. 41. Fractions = Decimals = .60 = .66 = .50
  42. 42. Practice
  43. 43. 1. What fraction represents this picture? (select your answer)A. 6 C. 2 4 4B. 4 D. 4 6 2
  44. 44. 2. How do we divide the fraction into a decimal? (select your answer) 4 A. 6 4 6 B. 4 6
  45. 45. Conclusion• You have learned the basics of fraction and decimal equivalency as well as how to convert from one type of number to another.• If you would like additional practice visit the following website. Fractions to Decimals Decimals to Fractions
  46. 46. Works Cited• Images retrieved from google images

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