Multiplying Positive & Negative Fractions & Decimals | 7.NS.A.2 💚

In this video lesson we will learn that the rules for multiplying rational numbers are the same rules we learned and used to multiply integers. We will review these rules and work through examples with fractions and decimals. We will learn that rational value with the same sign will always have a positive product. We will also learn that rational numbers with different signs will have a negative product. We will review the Multiplication Property of Zero and the Identity Property of Multiplication. Student practice is embedded in the lesson with modeled exemplar solutions.

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Unit Resources: Rational Numbers - Grade 7
💙Lesson 1: Rational Numbers - What are they?
   • What is a RATIONAL NUMBER? | 7.NS.A.1 💚  
💙Lesson 2: Review Operations with Decimals
   • Decimals:  How to Add, Subtract, Mult...  
💙Lesson 3: Review Operations with Fractions
   • FRACTIONS:  How to Add, Subtract, Mul...  
💙Lesson 4: Adding Rational Numbers
   • How to Add Rational Numbers | 7.NS.A.1 💚  
💚Shorts: Add 5 + (-1 1/3)!
   • 💚 Add a Whole Number and a Negative F...  
✴Lesson 4: Exit Ticket: Adding Rational Numbers
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💙Lesson 5: Subtracting Rational Numbers
   • HOW to Subtract Rational Numbers - Fr...  
✴Lesson 5: Exit Ticket: Subtracting Rational Numbers
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❤Purchase Task Cards: Review - Classify, Add & Subtract Rational Numbers
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💙Lesson 6: Multiplying Rational Numbers
   • Multiplying Positive & Negative Fract...  
✴Lesson 6: Exit Ticket: Multiplying Rational Numbers
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💙Lesson 7: Dividing Rational Numbers
   • Understanding How to Divide Rational ...  
✴Lesson 7: Exit Ticket: Dividing Rational Numbers
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00:00 Introduction
00:35 Multiplication Properties of Zero and One
02:12 Multiplying Rational Numbers with the SAME Sign
02:53 Multiplying Rational Numbers with DIFFEENT Signs
03:24 Let's Practice with Fractions
04:55 Student Practice #1
06:10 Let's Practice with Decimals
07:56 Student Practice #2
10:22 The RULES form Multiplying Rational Numbers

Common Core Math Standards
7.NS.A.2 Apply and extend pre03:24vious understandings of multiplication and division and of fractions to multiply and divide rational numbers.
7.NS.A.2.A Understand that multiplication is extended from fractions to rational numbers by requiring that operations continue to satisfy the properties of operations, particularly the distributive property, leading to products such as (-1)(-1) = 1 and the rules for multiplying signed numbers. Interpret products of rational numbers by describing real-world contexts.
7.NS.A.2.C Apply properties of operations as strategies to multiply and divide rational numbers.