Multiplying Rational Numbers with Positive and Negative Sign

When multiplying two numbers with different signs, the answer will be ________.
(example: N x P or P x N)

• negative

• the sign of the bigger value

• positive

• the sign of the higher number

Tags

CCSS.7.NS.A.2A

True or false: 
The rules for signs when dividing are the same as multiplying

• True

• False

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

When multiplying two numbers with the same signs, the sign of your answer will be...
(example: N x N or P x P)

• negative

• the sign of the bigger value

• the sign of the higher number

• positive

Tags

CCSS.7.NS.A.2A

-3.8 x 4

• -1.52

• 7.8

• 7.08

• -15.2

Tags

CCSS.7.NS.A.2A

-145.23 x 3.5

• -5.08305

• 50.8305

• 508.305

• -508.305

Tags

CCSS.7.NS.A.2A

Mathematical Equivalence

ON

Tags

CCSS.7.NS.A.2A

(-19) (11)

• -209

• -198

• 187

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

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

• Negative

• Positive

• Zero

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

-7 x 9 = ?

• 63

• -56

• -56

• -63

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

1.3(-2.4)

• 3.12

• -3.12

• 0.312

• -0.312

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B