Rules for Multiplying Signed Numbers

The product of (positive)(negative) is always negative.

• never true
• sometimes true
• always true

Tags

CCSS.7.NS.A.2A

A negative times a positive equals

• zero

• a negative answer

• a positive answer

• the sign of the larger number

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

A negative times a negative equals

• one

• a negative answer

• zero

• a positive answer

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Flora made 3 withdrawals of $75 each from her bank account. What was the overall change in her account?

• $525
• $-525
• $225
• $-225

Tags

CCSS.7.EE.B.3

(+8) x (+4)

• +36

• +32

• -36

• -32

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

(-9) x (+5)

• -45

• +45

• -40

• -45

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

(-4) x (-4) =

• +18

• -18

• -16

• +16

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

(+7) x (-12) =

• -63

• -72

• -84

• -96

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B