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Fraction Basics

Fraction Basics. = 1. Fraction Extension. Equivalent fractions with pattern blocks and paper folding Mixed and Improper fractions Percent of shapes Percent increase or decrease Multiplication and division of fractions. Equivalent Fractions. =. =. 1. 1.

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Fraction Basics

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  1. Fraction Basics = 1

  2. Fraction Extension • Equivalent fractions with pattern blocks and paper folding • Mixed and Improper fractions • Percent of shapes • Percent increase or decrease • Multiplication and division of fractions

  3. Equivalent Fractions = = 1 1

  4. EquivalentFractions withPaper Folding

  5. Numerator Denominator Number of Pieces Number of Pieces in a whole

  6. If a red isosceles triangle represents, What shape represents a whole?

  7. If a yellow hexagon represents 1 ½ , what does a whole look like?

  8. Improper Fractions

  9. Improper Fractions

  10. If a red isosceles triangle represents a whole, , What shape represents an decrease of 33%?

  11. Adding Fractions Common Denominator No Problem

  12. + +

  13. Try to Model this Addition Problem

  14. Adding Fractions with Paper Folding

  15. If a whole is 5 yellow hexagons What shape represents 1/3 of the whole?

  16. What Are We Really Doing as a Fraction Operation? • If a whole is 5 yellow hexagons, what shape represents 1/3 of the whole? • What is 5 divided by 3? • What is 1/3 of 5? • What is 1/3 X 5? • I have 5 cookies how much will each person get? • What is 33% of 5?

  17. If a whole is 5 yellow hexagons What shape represents 2/3 of the whole? or

  18. What Are We Really Doing as a Fraction Operation? • If a whole is 5 yellow hexagons, what shape represents 2/3 of the whole? • What is 2/3 of 5? • What is 2/3 X 5? • What is 67% of 5? • What is 1/3 taken away from 5? • What is 33% taken off of 5?

  19. Try to Model this Multiplication Problem

  20. Try to Model this Multiplication Problem

  21. Dividing Fraction • What is 2 whole divided equally into 3 groups? • Show that it makes since with repeated addition 2/3 + 2/3 + 2/3 • What is 2 divided by 1/3? • What is 2 divided by 2/3? • What is 4 divided by 1 ½ • What is 4 divided by 1 1/3? = 3 • What is 5 divided by 1 1/3 = 3 ¾ • What is 2 ½ divided by 2/3

  22. White Board Feedback StrategyThanks to Loni Watson, Seward

  23. WhiteOut

  24. A Duck • The yellow hexagon is what part of the duck? • The green equilateral triangle is what part of the duck?

  25. If this shape is represents a whole, The yellow hexagons are what part of the whole? The blue rhombi are what part of the whole? The green equilateral triangles are what part of the whole?

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