Multiplying and Dividing Integers

• 2(-3) = -6, 6 floors down

• -2(3) = 6, 6 floors up

• 3(3) = 9, 9 floors up

Adam is scuba diving he descends 5 feet below sea level. He does this 4 more times. What is his final elevation?

• 4 (-5) = -20 Adam is 20 feet below sea leve

• 5(-5)=-25 Adam is 25 feet above sea level

• 5(-5)= -25 Adam is 25 feet below sea level

• 5 + -5 = 0 Adam is at sea level

-7 x 4

• 24
• 28
• -28
• -24

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

-5 x -8

• -40

• -13

• -45

• 40

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

-18 ÷ (-2)

• 9
• -9
• -20
• 10

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

64 ÷ (-8)

• 8
• -8
• -9
• -7

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

If I have a positive multiplied with a positive, what will the answer be?

• Positive 
• Negative 

Tags

CCSS.3.OA.D.9

If I have a negative multiplied with a positive, what will the answer be?

• Positive 
• Negative 

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

• 7(-7) = 49 The price increased $49 over 7 weeks

• 7(-6)= 42 The price increased $42 over 7 weeks

• 7(-6)= -42. The cost decreased $42 over 7 weeks

• 7 + 7=14 The price increased $14 over 7 weeks

When dividing with the same signs, the answer will be...

• Positive
• Negative
• zero
• a fraction

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B