12 ÷ 4 = 3 12 = 4 x 3
DESCRIPTION
How can we use what we know about multiplying positive and negative integers to solve a division problem?. 12 ÷ 4 = 3 12 = 4 x 3. In this lesson you will learn rules for dividing positive and negative integers by using the inverse relationship between multiplication and division. - PowerPoint PPT PresentationTRANSCRIPT
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How can we use what we know about multiplying positive and negative
integers to solve a division problem?
12 ÷ 4 = 312 = 4 x 3
![Page 2: 12 ÷ 4 = 3 12 = 4 x 3](https://reader035.vdocuments.us/reader035/viewer/2022081419/56815ab5550346895dc86b5a/html5/thumbnails/2.jpg)
In this lesson you will learn rules for dividing positive and
negative integers by using the inverse relationship between
multiplication and division.
![Page 3: 12 ÷ 4 = 3 12 = 4 x 3](https://reader035.vdocuments.us/reader035/viewer/2022081419/56815ab5550346895dc86b5a/html5/thumbnails/3.jpg)
Let’s ReviewLet’s Review
5 x -4 = -20
-6 x (-3) = +18
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Let’s ReviewA Common Mistake
Even though we are dividing two negative integers, the answer is not
negative.
-12 ÷ -4 = + 3
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Let’s ReviewCore Lesson
3 x 5 = 15
15 ÷ 3 = 5
15 ÷ 5 = 3
What do we mean by the inverse of multiplication and division?
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Let’s ReviewCore Lesson
18 ÷ 3 = ?
3 x
18 ÷ 6 = 3
Think about inverse relationship
6? = 18
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Let’s ReviewCore Lesson
-2 x 5 = -10
-10 ÷ 5 = -2
-10 ÷ -2 = +5
Think about inverse relationship
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Let’s ReviewCore Lesson
?
-16 ÷ 8 = ?
8 x
-16 ÷ 8 = -2
Think about inverse relationship
-2 = -16
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Let’s ReviewCore Lesson
-3 x -4 = +12
+12 ÷ -3 = -4
+12 ÷ -4 = -3
Think about inverse relationship
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Let’s ReviewCore Lesson
?
-20 ÷ (-4) = ?
-4 x
-20 ÷ -4 = +5
Think about inverse relationship
+5 = -20
![Page 11: 12 ÷ 4 = 3 12 = 4 x 3](https://reader035.vdocuments.us/reader035/viewer/2022081419/56815ab5550346895dc86b5a/html5/thumbnails/11.jpg)
In this lesson you have learned the rules for dividing positive
and negative integers by using the inverse relationship
between multiplication and division.
![Page 12: 12 ÷ 4 = 3 12 = 4 x 3](https://reader035.vdocuments.us/reader035/viewer/2022081419/56815ab5550346895dc86b5a/html5/thumbnails/12.jpg)
Let’s ReviewGuided Practice
Find the quotient:
-30 ÷ 6 =
-28 ÷ (-4) =
-5
7
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Let’s ReviewExtension Activities
Without solving determine if the answer is positive or negative
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Let’s ReviewQuick Quiz
Find the Quotient:-12 ÷ 4 = -40 ÷ (-10)=
-27 ÷ (-9) = -10 ÷ 5 =