Multiplying and Subtracting Integers

What would your answer by when you multiply two numbers with different signs? For example: -5(8) =

• Positive

• Negative

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

True or False: The answer to the equation -10(-5) is positive.

• True

• False

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the rule when subtracting integers? For example: 13 - (-12) =

• Keep the signs and add

• Same, Change, Change

• A positive times a negative is a negative

• Same, Same, Change

Tags

CCSS.7.NS.A.1C

Which operations do the following rules work for: Signs of two numbers are different, answer is negative Signs of two numbers are the same, answer is positive

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

4(-20)

• 80

• -80

• 24

• -24

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

(-7)(-7)

• 14

• -14

• 49

• -49

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

(-9)(-8)

• -72

• 72

• 17

• -17

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

-7+-7=

• -14

• 14

• 0

• 1

Tags

CCSS.7.NS.A.1C

-2 - (-10) = ?

• -12

• 12

• 8

• -8

Tags

CCSS.7.NS.A.1C

-7(10)=

• 70

• 700

• -70

• -700

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B