* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Document
Numbers (TV series) wikipedia , lookup
Foundations of mathematics wikipedia , lookup
Law of large numbers wikipedia , lookup
Ethnomathematics wikipedia , lookup
History of logarithms wikipedia , lookup
Infinitesimal wikipedia , lookup
Positional notation wikipedia , lookup
Mathematics of radio engineering wikipedia , lookup
Georg Cantor's first set theory article wikipedia , lookup
Bernoulli number wikipedia , lookup
Hyperreal number wikipedia , lookup
Surreal number wikipedia , lookup
Large numbers wikipedia , lookup
Real number wikipedia , lookup
5 Minute Check Complete in your notebook. 1 3 1. 8 4 x 2. 3 7 3. 5 9 x 2 5 x 2 3 4. The bleachers at a football game is 7/8 full, and half the fans are rooting for the home team. What fraction of the bleacher is rooting for the home team? 5 Minute Check Complete in your notebook. 1 3 1. 8 4 x 5 Minute Check Complete in your notebook. 1 3 1. 8 4 x 1 8 x 3 4 = 3 32 5 Minute Check Complete in your notebook. 3 2 2. 7 5 x 5 Minute Check Complete in your notebook. 3 2 2. 7 5 x 3 7 2 5 x = 6 35 5 Minute Check Complete in your notebook. 5 2 3. 9 3 x 5 Minute Check Complete in your notebook. 5 2 3. 9 3 x 5 9 2 3 x = 10 27 5 Minute Check Complete in your notebook. 4. The bleachers at a football game is 7/8 full, and half the fans are rooting for the home team. What fraction of the bleacher is rooting for the home team? 5 Minute Check Complete in your notebook. 4. The bleachers at a football game is 7/8 full, and half the fans are rooting for the home team. What fraction of the bleacher is rooting for the home team? 7 8 1 2 x = 7 16 Flashcards Thursday, Oct 24 Lesson 4.4 Multiply Mixed Numbers Multiply Mixed Numbers Objective: To understand how to multiply mixed numbers. Multiply Mixed Numbers At the end of this lesson you should be able to answer the following question. How do you multiply mixed numbers? Multiply Mixed Numbers To multiply fractions, multiply the numerators and multiply the denominators, then simplify if needed. Example x = 3 2 6 4 5 20 x = x = = 3 10 Multiply Mixed Numbers To multiply a mixed number, convert the mixed number to an improper fraction then multiply as fractions. Multiply Mixed Numbers Convert to an improper fraction. 3 5 3 = x 15 Multiply Mixed Numbers Convert to an improper fraction. + 3 5 3 = 15+3 Multiply Mixed Numbers Convert to an improper fraction. 3 5 3 = 15+3 5 = Multiply Mixed Numbers Convert to an improper fraction. 3 5 3 = 15+3 5 = 18 5 Multiply Mixed Numbers To convert a mixed number to an improper fraction. Denominator times the whole number plus the numerator over the denominator Multiply Mixed Numbers Convert to an improper fraction. 2 7 7 = Multiply Mixed Numbers Convert to an improper fraction. 2 7 7 = 49+2 7 = 51 7 Multiply Mixed Numbers Convert to an improper fraction. 3 5 12 = Multiply Mixed Numbers Convert to an improper fraction. 3 5 12 = 60+3 5 = 63 5 Multiply. 1 3 Multiply Mixed Numbers 3 4 x1 = Multiply. Multiply Mixed Numbers 1 3 3 4 x1 = 1 3 7 4 x = Multiply. Multiply Mixed Numbers 1 3 3 4 x1 = 1 3 7 4 x = 7 12 Multiply. 1 3 Multiply Mixed Numbers 1 2 x 5 = Do this on your own. Multiply. 1 3 1 3 Multiply Mixed Numbers 1 2 x 5 = 11 2 x = 11 6 5 6 =1 Multiply. 7 8 Multiply Mixed Numbers 1 3 1 x3 = Do this on your own. Multiply. Multiply Mixed Numbers 7 8 1 3 1 x3 = 15 8 or x 10 3 = 150 24 6 24 =6 = 6 1 4 Multiply. Multiply Mixed Numbers 7 8 1 3 1 x3 = 15 8 x 10 3 = 3 x 5 x5 x2 3x2x2x2 25 4 1 4 = =6 Multiply. 3 4 Multiply Mixed Numbers 4 5 1 x2 = Do this on your own. Multiply. Multiply Mixed Numbers 3 4 4 5 1 x2 = 7 4 or x 14 5 = 98 20 18 20 =4 = 4 9 10 Multiply. Multiply Mixed Numbers 3 4 4 5 1 x2 = 7 4 x 14 5 = 7x2x7 2x2x5 49 10 = =4 9 10 Multiply. 2 3 Multiply Mixed Numbers 4 7 1 x2 = Do this on your own. Multiply. Multiply Mixed Numbers 2 3 4 7 1 x2 = 5 3 or x 18 7 = 90 21 6 21 =4 = 4 2 7 Multiply. Multiply Mixed Numbers 2 3 4 7 1 x2 = 5 3 x 18 7 = 5x2x3x3 3x7 30 7 2 7 = =4 Multiply Mixed Numbers The Hoover Dam holds 4 ½ million cubic yards of concrete. The Grand Coulee Dam contains 2 2/3 times as much concrete. How much concrete does it contain? Do this on your own. Multiply Mixed Numbers The Hoover Dam holds 4 ½ million cubic yards of concrete. The Grand Coulee Dam contains 2 2/3 times as much concrete. How much concrete does it contain? 1 2 2 3 4 x2 = 9 8 72 2 3 6 The Grand Coulee Dam has 12 million cubic yards of concrete. x = = 12 Multiply Mixed Numbers Mr. Wilkins is laying bricks to make a rectangular patio. The area he is covering is 15 ½ by 9 ¾ feet. What is the area of the patio? Do this on your own. Multiply Mixed Numbers Mr. Wilkins is laying bricks to make a rectangular patio. The area he is covering is 15 ½ by 9 ¾ feet. What is the area of the patio? 1 3 2 4 15 x 9 = 31 2 x 39 4 = 1209 8 1 8 ft² = 151 Multiply Mixed Numbers Mr. Conrad’s pecan pie recipe calls for 1 ¾ cups of pecans. He plans to make 8 pies for a family reunion. How many cups of pecans does he need? Multiply Mixed Numbers Mr. Conrad’s pecan pie recipe calls for 1 ¾ cups of pecans. He plans to make 8 pies for a family reunion. How many cups of pecans does he need? 3 4 1 x8= 7 4 8 1 x = 56 4 = 14 Multiply Mixed Numbers How do you multiply mixed numbers? Multiply Mixed Numbers Agenda Notes Homework – Homework Practice 4-4 Show all Work Due Friday, Oct 25 Mid Chapter 4 Quiz –Monday, Oct 28