M ODULE 2 Multiplying and Dividing Integers. M ODULE 2 Multiplying and Dividing Integers Intro Video (Click Here)Click Here.

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Presentation transcript:

M ODULE 2 Multiplying and Dividing Integers

M ODULE 2 Multiplying and Dividing Integers Intro Video (Click Here)Click Here

Multiplying Integer Lesson 2.1

Essential Question? How do you find the product of two integers? 1.Determine the sign of the answer 2.Find the absolute value and multiply them 3.Assign the correct sign

How to Determine the Correct Sign Same signs give a positive product Different signs give a negative product Chart (+) (+) =+ (-) (-) = + (+) (-) = - (-) (+) =

How to use the triangle UgFrrwIM UgFrrwIM

Examples: A) 4(-2) So, this is the same as 4 (-2) If you don’t see an operation, then multiply. What is the sign of the product? – What is 4 2? 8

Examples: B) -8(-5) the same as -8 (-5) What is the sign of the product? + What is 8 5? 40 Same signs give a positive product Different signs give a negative product or 40

You try these! C) (-9)(-2) D) 11(-1) E) 8(-4) F) -7(-7)

Video PBS Math Club 7wXro 7wXro

Homework Workbook Page 40 (#1-16 ALL)