4/ 26 Multiplying Rational Numbers

If I have two negatives what will the product be?

• Negative 
• Positive 

Tags

CCSS.7.NS.A.2A

Multiply
(5) • (–9) • (–2)

• 90
• -45
• -90
• 47

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

-4½ × -1⅚

• -4 5/12
• -8¼
• 4 5/12
• 8¼

Tags

CCSS.7.NS.A.2A

-3.8 x 4

• -1.52
• 7.8
• 7.08
• -15.2

Tags

CCSS.7.NS.A.2A

What is the sign of the product?
(-3) x (-2) x (-4) x (-5) x (-8)

• Positive
• Negative

8.65  x -4

• -32.48
• -34.6
• -34.8
• -346

Tags

CCSS.7.NS.A.2A

-1.2 x -3.4

• -4.08
• -4.8
• 40.8
• 4.08

Tags

CCSS.7.NS.A.2A

-5 - 6

• 1

• -1

• 11

• -11

5 + (-7)

• 12

• -12

• -2

• 2

• 9.5

• 6

• -6

• -9.5