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Goal  I will solve word problems using a tape diagram and fraction by fraction multiplication.

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Presentation on theme: "Goal  I will solve word problems using a tape diagram and fraction by fraction multiplication."— Presentation transcript:

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2 Goal  I will solve word problems using a tape diagram and fraction by fraction multiplication

3 Agenda  Fluency  Multiply Fractions  Multiply whole numbers by decimals  Whole class  Problem set  Exit ticket

4 Fluency: Multiply FractionsFluency: Multiply Fractions 1/3 of 2/5 2/3 of 2/5 3/5 of 2/3 3/5 x 3/4

5 Fluency: Multiply Whole Numbers by Decimals  3 x ______ = 3/10  7 x.1 = _______  7 x.01= _______  9 x.1= _______  80 x.01 = _______  15 x 1/10= _______

6  Anthony bought an 8 foot board. He cut off ¾ of the board to build a shelf, and gave 1/3 of the rest to his brother for an art project. How many inches long was the piece Anthony gave to his brother?

7  Mrs. Jones made 60 cookies for a bake sale. She sold 2/3 of them and gave ¾ of the remaining cookies to the students working at the sale. How many cookies does she have left?

8 Answer Sold ___________________________60______________________________ _________20_____ ¼ x 1/3 = 1/12 1/12 x 60 = 60/12= 5 3 units= 60 I unit= 60/3= 20 20/4= 5

9  Lukas spent 1/3 of his money on a burrito and a water. The burrito cost 2 times as much as the water. The burrito cost $4, how much money does Lukas have left?

10 Answer Burrito and Water BBW _______$4_____ 2 units = 4 1 unit = 4/2 3 units= 6 2x6= 12

11  Dean is sorting his rock collection. 2/3 of the rocks are metamorphic and ¾ of the remainder are igneous rocks. If the 3 rocks left over are sedimentary, how many rocks does Dean have?

12 Problem SetProblem Set  You will have ______ minutes to complete the problem set. You are to work alone.  I will be calling students to the back table.  If you are willing to help please move your number on the board  Those that get stuck may ask one of these people for help.

13 Exit TicketExit Ticket  You will have three minutes to solve the exit ticket. Please draw a tape diagram and circle your final answer.

14 What did we learn?What did we learn?


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