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3.3 & 3.4 Multiplying and Dividing rational numbers

3.3 & 3.4 Multiplying and Dividing rational numbers

Assessment

Presentation

Mathematics

7th Grade

Practice Problem

Medium

Created by

Myung Kuh

Used 10+ times

FREE Resource

20 Slides • 16 Questions

1

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7th Grade Math

Unit 3, Lesson 3

Multiplying

Rational Numbers

Volume 1, pg. 96

2

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Benchmark

volume 1, pg. 96

MA.7.NSO.2.2

Add, subtract, multiply, and divide rational
numbers with procedural fluency.

3

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Learning Target

I can fluently multiply rational numbers.

volume 1, pg. 96

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Warm-Up

volume 1, pg. 97

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3.3.1 Warm-Up: Bell Work

volume 1, pg. 97

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Collaboration

volume 1, pg. 97

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3.3.2 Collaboration: Signed Number Rules

volume 1, pg. 97

1.

Fill in the blank with the words positive or negative to describe the rules for
multiplying integers.

The product of two positive integers is a ____________ integer.

The product of two negative integers is a ___________ integer.

The product of a negative integer and a positive integer is a ____________
integer.

8

Multiple Choice

The product of two positive(+) inters is a _________ Integer.

The product of two negative(-) integers is a ________ Integer

1

Positive, Positive

2

Positive, Negative

3

Negative, Positive

4

Negative, Negative

9

Multiple Choice

The product of a negative(-) integer and a positive(+) is a ________ Integer

1

Positive

2

Negative

10

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volume 1, pg. 98

3.

Complete the table. Use a calculator to find the product of each expression to
verify if the same rules for signs apply when multiplying rational numbers.

11

Multiple Choice


(35)(311)=\left(-\frac{3}{5}\right)\left(-\frac{3}{11}\right)=

1

955\frac{9}{55}

2

955-\frac{9}{55}

3

311\frac{3}{11}

4

311-\frac{3}{11}

12

Multiple Choice


718(4825)=\frac{7}{18}\left(-4\frac{8}{25}\right)=

1

5.224

2

11725-1\frac{17}{25}

3

117251\frac{17}{25}

4

-5.225

13

Multiple Choice

21.285 (-3.8) =

1

70.82

2

35.32

3

-80.883

4

-78.223

14

Multiple Choice

(-91.09)(-6.4) =

1

-100.234

2

-582.976

3

+582.976

4

+583.235

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volume 1, pg. 98

4.

Complete the sentence.

The rules for multiplying rational numbers are

the integer rules for multiplication.

o the same as
o different from

16

Multiple Choice

790 ( 110\frac{1}{10} ) =

1

7.9

2

79

3

790

4

0.79

17

Multiple Choice

2.1 (-2) =

1

0.42

2

4.2

3

-4.2

4

-6042

18

Multiple Choice

2.5 (-3.25) =

1

-57.24

2

-8.125

3

-6.74

4

-62.3

19

Multiple Choice

(- 67\frac{6}{7} ) 7 =

1

0.6

2

6

3

-6

4

-60

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7th Grade Math

Unit 3, Lesson 4

Dividing Rational

Numbers

Volume 1, pg. 100

21

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Benchmark

volume 1, pg. 100

MA.7.NSO.2.2

Add, subtract, multiply, and divide rational
numbers with procedural fluency.

22

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Learning Target

I can fluently divide rational numbers.

volume 1, pg. 100

23

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Collaboration

volume 1, pg. 102

24

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3.4.3 Collaboration: Signed Number Rules

volume 1, pg. 102

1.

Fill in the blanks with the words positive or negative to write the rules for
dividing integers.

The quotient of two positive integers is a ________ integer.

The quotient of two negative integers is a ________ integer.

The quotient of a negative integer divided by a positive integer is a
________ integer.

The quotient of a positive integer divided by a negative integer is a
________ integer.

25

Multiple Choice

The Quotient of two positive(+) inters is a _________ Integer.

The Quotient of two negative(-) integers is a ________ Integer

1

Positive, Positive

2

Positive, Negative

3

Negative, Positive

4

Negative, Negative

26

Multiple Choice

The Quotient of a positive(+) inter by a negative (-) integer is a ________ Integer

1

Positive

2

Negative

27

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volume 1, pg. 102

3.

Complete the table. Use a calculator to find the quotient of each expression to
verify if the same rules for signs apply when dividing rational numbers.

28

Multiple Choice

(238)÷(114)\left(-2\frac{3}{8}\right)\div\left(-1\frac{1}{4}\right)

1

2252\frac{2}{5}

2

1910-1\frac{9}{10}

3

19101\frac{9}{10}

4

2572\frac{5}{7}

29

Multiple Choice

(6718)÷(429)\left(6\frac{7}{18}\right)\div\left(-4\frac{2}{9}\right)

1

232542\frac{32}{54}

2

13976-1\frac{39}{76}

3

139761\frac{39}{76}

4

235472\frac{35}{47}

30

Multiple Choice

43.008÷4.09643.008\div-4.096

1

15.2-15.2

2

10.5-10.5

3

5.45-5.45

4

5.865.86

31

Multiple Choice

(525.6)÷(0.36)\left(-525.6\right)\div\left(-0.36\right)

1

15.2-15.2

2

580580

3

14601460

4

1460-1460

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volume 1, pg. 102

4.

Complete the sentence.

The rules for dividing rational numbers are

the integer rules for division.

o the same as
o different from

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Guided Practice

volume 1, pg. 103

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3.4.4 Guided Practice: Finding Quotients
of Rational Numbers

volume 1, pg. 103

1.

Circle the expressions that will result in a positive quotient.

35

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volume 1, pg. 103

36

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Your Turn

volume 1, pg. 103

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7th Grade Math

Unit 3, Lesson 3

Multiplying

Rational Numbers

Volume 1, pg. 96

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