Multiplying Integers Rules and Word Problems

Type the integer that makes the following equation true. (Fill in the Blank)
-9 x (a)   = 27

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Is -5 · 3 positive or negative? ​ ​ (a)  

• Negative
• Positive

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Faith made 4 withdrawals of $65 from her bank account. 

Which multiplication expression would represent this scenario and be used to determine the overall change in Faith’s account? 

• (4)(65)

• (-4)(65)

• (4)(-65)

• (-4)(-65)

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

A drought has caused the water supply of a local city to drop by 2 inches each week over the last 4 weeks. 

Which multiplication expression would represent this scenario and be used to determine how much the water level changed over the 4 weeks. 

• (2)(4)

• (-2)(-4)

• (2)(-4)

• (-2)(4)

Tags

CCSS.7.EE.B.3

The temperature drops 3ºF each hour over a 12 hour period. 

Which multiplication expression would represent this scenario and be used to determine the total change in temperature over the 12 hour period. 

• (3)(12)

• (-3)(-12)

• (-3)(12)

• (3)(-12)

Tags

CCSS.7.EE.B.3

Multiply. 

Write in numerals only. 
(-4.2)(-5) =

(a)  

Tags

CCSS.7.NS.A.2A

A bathtub drains at a constant rate.  The amount of water changes by 0.85 gallons per minute.  Which multiplication expression represents the change in the amount of water in the bathtub after 6 minutes? 

• (0.85)(6)

• (-0.85)(6)

• (0.85)(-6)

• (-0.85)(-6)

Tags

CCSS.7.NS.A.2A

When multiplying rational numbers with the same signs, the answer will be​ (a)  

• Positive
• Negative
• Zero

Tags

CCSS.7.NS.A.2A

When multiplying rational numbers with the different signs, the answer will be: ​ ​ (a)  

• Negative
• Positive
• Zero

Tags

CCSS.7.NS.A.2A