Multiplying & Dividing Rational Numbers

What is the sign of:

the product of two positive numbers?

• Positive

• Negative

• Zero

Tags

CCSS.7.NS.A.2A

What is the sign of:

Two numbers with opposite signs?

• Positive

• Negative

• Zero

Tags

CCSS.7.NS.A.1A

 $\frac{2}{5}\ \times\ \frac{-1}{2}$  Simplify!!!!

•  $\frac{-2}{5}$  

•  $\frac{1}{10}$  

•  $\frac{-1}{5}$  

•  $\frac{2}{10}$  

Tags

CCSS.7.NS.A.2A

 $\frac{-3}{4}\ \times\ \frac{-4}{5}$  Simplify!!! 

•  $\frac{-6}{10}$  

•  $\frac{-12}{20}$  

•  $\frac{3}{5}$  

•  $\frac{-3}{5}$  

Tags

CCSS.7.NS.A.2A

 $-2\ \frac{1}{3}\ \times\ \frac{5}{8}$  

•  $-\frac{19}{12}$  

•  $-\frac{35}{24}$  

•  $-\frac{37}{16}$  

Tags

CCSS.7.NS.A.2A

 $\frac{-2}{3}\div\ \frac{5}{6}$  

•  $\frac{-10}{18}$  

•  $\frac{12}{15}$  

•  $\frac{4}{5}$  

•  $\frac{-4}{5}$  

Tags

CCSS.7.NS.A.2B

 $3\ \frac{1}{2}\div-2\ \frac{1}{6}$  

•  $-6\ \frac{1}{3}$  

•  $6\ \frac{1}{3}$  

•  $-\frac{21}{13}$  

•  $\frac{42}{26}$  

Tags

CCSS.7.NS.A.2B

Determine the product: -2.14 x (5.8) =

• -12.412

• 10.45

• 12.412

• -10.45

Tags

CCSS.7.NS.A.2A

Determine the quotient: -22.196 / 6.2 =

• 4.12

• 3.58

• -4.12

• -3.58

Tags

CCSS.7.NS.A.2B

Find the Quotient

• 3.375
• 3.75
• -33.75
• 33.75

Tags

CCSS.7.NS.A.2B