Multiplying and Dividing Integers

Multiplying and Dividing Integers

Rules, Rules, Rules

Today, we are learning

How to multiply and divide integers

Multiple Select

Today we are learning how to . . . (check all that apply)

• add integers

• subtract integers

• multiply integers

• divide integers

Math Notebook Entry

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Just like you can multiply and divide positive numbers, you can do the same with negative numbers. 

​

In order to multiply or divide negative numbers you must remember:

​

If the signs are the same, the answer is positive.

If the signs are different, the answer is negative.

​Multiplying Integers

​-8 x 2 = - 16

-8 x (-2) = 16​

​Dividing Integers

​-8 / 2 = - 4

-8 / (-2) = 4​

Multiple Choice

If I have two negatives what will the product be?

• Negative

• Positive

Multiple Choice

If I have two positives what will the quotient be?

• Negative

• Positive

Multiple Select

When multiplying and dividing integers, same sign, the answer is positive. Please check ALL that are true.

• $$8\cdot2=positive$$  

• $$8\cdot\left(-2\right)=positive$$  

• $$\frac{\left(-8\right)}{\left(2\right)}=positive$$

• $$\frac{\left(-8\right)}{\left(-2\right)}=positive$$  
  

• same signs, the answer is positive

Fill in the Blank

Same sign, the answer is positive. 8 x 2=?

Multiple Choice

$$\frac{\left(-50\right)}{\left(-5\right)}$$  

• -10

• 10

Fill in the Blank

Choose a number to make the product positive:

(-2)(?)=positive

7 -7 2 -2 0

Multiple Choice

When multiplying or dividing integers: Different signs, the answer is negative.

• positive

• negative

Fill in the Blank

When multiplying or dividing integers: Different signs, the answer is ______. (positive or negative)

Fill in the Blank

For example, what is the product for (-2)(6)

Multiple Choice

$$30\div\left(-1\right)$$  

• 30

• -30

Fill in the Blank

$$\left(-3\right)\cdot\left(??\right)=negative$$  
Choose from the following: 
7        (-2)       (-7)     2     0

Fill in the Blank

$$9\div\left(??\right)=negative$$  
Choose from the following: 
9        (-1)       (-9)     1     0

On to IXL for Skills Practice

C16 - 24​