PPT-Multipling Fractions

We have added and subtracted fractions In this lesson we will multiply fractions When we add and subtract fractions we count how many of the same size parts there are When we multiply fractions the sizes of the parts change Consider this multiplication problem . Raising and Reducing. Pizza. Pizza. 3/4. 6/8. 9/12. Multiply by 1. 5 x 1 =. 235 x 1 =. 2/3 x 1 =. a x 1 =. 5. 235. 2/3. a. What is 1?. . Rasing Fractions. . . . Rasing Fractions. A man walks into the pizza store and orders a medium pizza.. What are Fractions?. Fractions are . pieces . of whole numbers.. Whole numbers are numbers: 0, 1, 2, 3, and so on.. Creating Fractions. Parts of a Fraction. A fraction has two parts. . 1. 2. Creating Fractions. 3. /21/17. How do we add and subtract fractions with like denominators?. How do we add and subtract fractions with unlike denominators?. How do we use models to add and subtract fractions?. Today We’ll Discuss. Elizabeth Blaesser/Maccani . Click here to continue.. Introduction. This project is designed for Mrs. Maccani’s 3. rd. grade class.. The purpose of this project is to understand the relationship between whole numbers, simple fractions, and decimals. Students will demonstrate their understanding of equivalency and problem solving related to fractions and decimals.. Essential Question: How do you simplify fractions?. Before we start…. Do the following fractions represent the same quantity. ?.  . What is a . fraction. ?. A . ratio. comparing two . numbers . a. our friends!. Now, let’s. n. ot get all crazy. with this “friend” stuff,. Mr. Sunshine.. © . Mike’s Math Mall. Multiplying. Made easy!. PowerPoint. Introduction. Multiplying Fractions. Hi! My. Whole Numbers. Fractions. Proportions. Fraction Families. Modelling. Equivalent Fractions. Equivalent Decimals. Start reviewing!. What is a Whole Number? . Lets look at a number …. 4. Why is . 4. a whole number? . Alice Vigors. 2017. Teaching & Learning Sessions. Describes and represents mathematical situations in a variety of ways using mathematical terminology and some conventions . MA3-1WM. Selects and applies appropriate problem-solving strategies, including the use of digital technologies, in undertaking investigations . CM. www.laclassedemallory.net. Numération. Objectif de la séance. A. ujourd’hui, nous allons travailler . en . numération. . Nous allons apprendre à . lire, écrire et . représenter les . fractions. our friends!. Now, let’s. n. ot get all crazy. with this “friend” stuff,. Mr. Sunshine.. © . Mike’s Math Mall. Multiplying. Made easy!. PowerPoint. Introduction. Multiplying Fractions. Hi! My. Fractions Unit By Miss O. Numerator = # on top Denominator = # on the bottom (down below) The Denominator How many equal parts are described? How many equal parts are in all (total)? You can also write it: 1/2 The fractions . . . and . . . have . the same denominator. Fractions with the same denominators are . like fractions. . . What’s a “like fraction” ?. 2. 4. 3. 4. It’s easy to compare like fractions.. The fractions . . . and . . . have . the same denominator. Fractions with the same denominators are . like fractions. . . What’s a “like fraction” ?. 2. 4. 3. 4. It’s easy to compare like fractions.. Adding and Subtracting Mixed Numbers. Lesson 4.3. Warm-Up. Find the value of 3 × 4 + 1. . . Find the value of 5 × 3 + 3. . . Find the value of 12 × 4 + 2. . . Rewrite as an improper fraction..