Multiplying/Dividing Integers

When Multiplying or Dividing Integers that are the same sign, the answer will be ​ (a)  

When Multiplying or Dividing Integers that are different signs, the answer will be ​ (b)  

• positive
• negative
• zero
• opposites
• equal
• neither

Organize the expressions if their answer will be positive or negative or zero.

Groups:

(a) positive

,

(b) negative

,

(c) zero

• -3(-5)

• -23 x 23

• -12/-4

• -12 ÷ 4

• 0 • 4

• 56 x -5

• 90/-10

• 0 x -16

• -15 • 23

• 546 • 0

• 9 x 0

• -8 • -12

• 6(-7)

• -34(5)

• 34 • 12

• 23 ÷ 0

• -4(0)

• 45 ÷ 9

Which equation is true?

• -12 x -5 = -60

• -11 • 3 = -33

• -7 • 9 = 63

• 6(4) = -24

Answer the following problems:

4(-20) = ​ (a)  

-88 • 0 = ​ (b)  

-7 x -7 = ​ (c)  

-6 • 12 = ​ (d)  

9(6) = ​​ (e)  

• -80
• 0
• 49
• -72
• 54
• 80
• -88
• -49
• 72
• -54

Answer the following problems:

-21 ÷ -3 = ​ (a)  

48/-12 = ​ (b)  

-36 ÷ 6 = ​ (c)   ​

16/8 = ​ (d)  

-88/-11 = ​ (e)  

• 7
• -4
• -6
• 2
• -7
• 4
• -2
• 6
• 8
• -8

The temperature dropped 3 degrees every hour for six hours.  How much did the temperature drop in all?

Mathematical Equivalence

ON

From sea level, a submarine descends 40 feet per minute. Where is the submarine 5 minutes after it starts descending?

• 8

• 200

• -200

• -8

The basketball team lost their last 6 games. They lost by a total of 48 points. Find the number of points lost each game.

• 6 points

• 7 points

• 8 points

• 9 points

Abby makes 3 deposits of $25 into her bank account. How much money did she add into her account?

Mathematical Equivalence

ON

You take $9 out of your savings account each week for 7 weeks. At the end of 7 weeks, what is the change in the amount in your savings account?

Mathematical Equivalence

ON