How to Model Fraction Division Georgia Performance Standard: M5N4 Fifth Grade Bob Gregg, Hollydale Elementary School, Cobb County September, 2009.

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Presentation transcript:

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? 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 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)

Vocabulary 25 ÷ 5 = 5 DividendDivisorQuotient 3/4 ÷ 1/4 = N

Multiplying Fractions X 2 3 = 6

Dividing Fractions = X Multiplying Fractions ÷