Multiplying Fractions Goals I can figure out how

Multiplying Fractions Goals: I can figure out how to solve multiplication problems with fractions in realworld situations. Standard: MCC 5. NF. 6: Solve real world problems involving multiplication of fractions and mixed numbers, e. g. , by using visual fraction models or equations to represent the problem. Credits: Special thanks to Kelly Katz, for some of the slides in this presentation.

Butterfly Method 1 1 2 2 _5_ _6_ 12 10

Butterfly Method 1 _5_ _6_ 12 10 2 2 1 = 1 4

Butterfly Method 1 1 2 1 _4_ _3_ 6 4

Butterfly Method 1 _4_ _3_ 6 4 2 1 1 = 1 2

Butterfly Method 5 2 20 8 _4_ 4 1 1

Butterfly Method 5 2 20 8 4_ 4 1 1 = 5 2

What is wrong with this answer? 5 2 Improper Fraction of e yp it? t ich n is h W ctio fra Proper Fraction

Improper Fraction → Mixed Number 1. Divide the numerator by the denominator 2. Put the remainder over the denominator Divide the numerator by the denominator 2 2 5 R 1 2 4 1 5 = 2 Write the remainder over the denominator 2 1 2

Convert the improper fraction to a mixed number: 7 3 2 1 3

Convert the improper fraction to a mixed number: 8 3 2 2 3

Convert the improper fraction to a mixed number: 9 2 4 1 2

Convert the improper fraction to a mixed number: 11 5 2 1 5

Convert the improper fraction to a mixed number: 10 5 If there is no remainder then your answer is a whole number! 2

Name: _________ Group: _____ Date: __________ I can: demonstrate my knowledge of multiplying fractions! Multiply these fractions (using butterfly method)! 1. 5 x 4 = 8 10 2. 3 * 7 = 6 9 Multiply (using butterfly method) these fractions and turn your answers into mixed numbers! Don’t forget to simplify! 3. 2 x 18 = 3 10 4. 8 x 27 = 9 2 5. 12 x 4 = 3 Simplify these Fractions! 6. 12 = 24 7. 6 = 18 8. Cody has 27 marbles. Five-Ninths of the marbles are purple. How many marbles are purple? _______ are purple 9. How many are not purple? _______ are not purple