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Multiplying & Dividing Integers Test
About Multiplying & Dividing Integers:

When we multiply or divide two integers, we determine the sign of the product/quotient then multiply/divide the absolute values. When the signs are the same, the answer is positive. When the signs are different, the answer is negative.

Test Objectives:

•Demonstrate the ability to multiply two integers together

•Demonstrate the ability to multiply more than two integers together

•Demonstrate the ability to divide integers

Multiplying & Dividing Integers Test:




#1:


Instructions: Find each product.


a) (-3)(-7)


b) (8)(-9)


c) (12)(-10,000)


d) (-24)(-4)


e) (-18)(5)


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#2:


Instructions: Find each product.


a) (-13)(9)


b) (100)(-151)


c) (-205)(-10)


d) (28)(-2)


e) (-11)(-7)


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#3:


Instructions: Find each product.


a) (6)(-3)(2)


b) (-8)(7)(-4)(-1)


c) (-1)(5)(-12)(9)


d) (17)(-3)(1)(0)(-81)


e) (11)(10)(-3)(-1)


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#4:


Instructions: Find each quotient.


a) -3 ÷ 1


b) -4 ÷ (-2)


c) 10 ÷ (-5)


d) 25 ÷ (-5)


e) -300 ÷ (-10)


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#5:


Instructions: Find each quotient.


a) -42 ÷ (-7)


b) -81 ÷ 9


c) 200 ÷ (-5)


d) 10,000 ÷ (-1000)


e) -45 ÷ (-15)


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Written Solutions:




#1:


Solution:


a) (-3)(-7) = 21


b) (8)(-9) = -72


c) (12)(-10,000) = -120,000


d) (-24)(-4) = 96


e) (-18)(5) = -90


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#2:


Solution:


a) (-13)(9) = -117


b) (100)(-151) = -15,100


c) (-205)(-10) = 2050


d) (28)(-2) = -56


e) (-11)(-7) = 77


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#3:


Solution:


a) (6)(-3)(2) = -36


b) (-8)(7)(-4)(-1) = -224


c) (-1)(5)(-12)(9) = 540


d) (17)(-3)(1)(0)(-81) = 0


e) (11)(10)(-3)(-1) = 330


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#4:


Solution:


a) -3 ÷ 1 = -3


b) -4 ÷ (-2) = 2


c) 10 ÷ (-5) = -2


d) 25 ÷ (-5) = -5


e) -300 ÷ (-10) = 30


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#5:


Solution:


a) -42 ÷ (-7) = 6


b) -81 ÷ 9 = -9


c) 200 ÷ (-5) = -40


d) 10,000 ÷ (-1000) = -10


e) -45 ÷ (-15) = 3


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