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Bell Work October 30 Falcon Figures #10 – Problem 5 Work on evens finished Make sure you are labeling your answers and writing complete sentences.

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Presentation on theme: "Bell Work October 30 Falcon Figures #10 – Problem 5 Work on evens finished Make sure you are labeling your answers and writing complete sentences."— Presentation transcript:

1 Bell Work October 30 Falcon Figures #10 – Problem 5 Work on evens finished Make sure you are labeling your answers and writing complete sentences

2 Multiply Fractions SPI 6.2.1 Solve problems involving multiplication and division of fractions. Brainpop over x and dividing fractions http://www.brainpop.com/math/numbersandoperations/multiplyinganddividingfractions/

3 Modeling 3 / 8 x 2 / 3 Shade one square to represent 3/8 (shown below in pink): Shade another square to represent 2/3 (shown below in blue): Superimpose the two squares. The product is the area that is double-shaded (shown below in purple):

4 Steps Multiply by Whole Number Write the whole number as a fraction by placing a 1 for the denominator (improper fraction). Multiply numerator by numerator. Multiply denominator by denominator. Simplify Modeling 3 x 1/4

5 Steps for Multiplying Fraction Example 1 Multiply numerator by numerator. Multiply denominator by denominator. Simplify Modeling 2/5 x 1/3

6 Steps for Multiplying Fraction Example 2 Simplify before you multiply. Multiply numerators then denomenators. Modeling 2/5 x 5/8

7 All mixed numbers must be converted to an improper fraction before you can multiply. Ex. 2 ½ x ¼ 5/2 x ¼ 5/8

8 Problems to work on whiteboard 1.9 ½ 2. 6 1/14 3.3/5 2/34. ¾ ¼

9 Problem Solving The school Beta Club has 45 members. Of these 45 members, 3 / 5 are boys. How many boys are members of the Community Service Club?

10 Problem Solving A walnut muffin recipe calls for ¾ cup walnuts. Mrs. Hooper wants to make 1 / 3 of the recipe. What fraction of a cup of walnuts will she need?

11 Lesson Quiz Multiply. Write each answer in simplest form. 1. 2. Evaluate 6x for each value of x. Write your answer in simplest form. 3. 4. 5. Alicia spent 15 minutes making a pizza. Of those minutes were spent rolling out the crust. How many minutes did Alicia spend rolling out the crust? 5 minutes 5 4 3 5 __, or 1 1 2 __ 3 2


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