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How to Model Fraction Division . Georgia Performance Standard: M5N4 Fifth Grade. Bob Gregg, Hollydale Elementary School, Cobb County September, 2009. Essential Questions. Unit: How do I work with numbers that are part of a whole? How do I compute with fractions?

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How to model fraction division

How to Model Fraction Division

Georgia Performance Standard: M5N4

Fifth Grade

Bob Gregg, Hollydale Elementary School, Cobb County September, 2009


Essential questions
Essential Questions

  • Unit: How do I work with numbers that are part of a whole? How do I compute with fractions?

  • Lesson: How many groups of the divisor can I get from the dividend?”

  • Enduring Understanding: To divide fractions we ask how many groups of one fraction are found in the other fraction.


Vocabulary
Vocabulary

  • Dividend: (the amount you begin with)

  • Divisor: (the size of each group you will make)

  • Quotient: (the number of groups of the divisor that are in the dividend)

  • Compute: (a math process like +, -. x, ÷

  • Whole: (one complete thing)


Vocabulary1
Vocabulary

25 ÷ 5 = 5

Dividend

Divisor

Quotient

3/4 ÷ 1/4 = N


Dividing fractions

3

2

3

8

3

2

16

9

Dividing Fractions

÷

X

=

Multiplying Fractions