Multiplying and Dividing Rational Numbers

Joe and Scott equally share a pizza. If Scott eats

 $\frac{1}{2}$  of his portion of the pizza, what fraction of the whole pizza does he eat?

•  $\frac{1}{8}$  

•  $\frac{1}{4}$  

•  $\frac{1}{2}$  

•  $\frac{5}{8}$  

William uses

 $\frac{2}{5}$   of a pound of raisins in each batch of oatmeal cookies. He uses  $\frac{3}{5}$  pounds of raisins yesterday. How many batches did he make?

•  $\frac{1}{2}$  

•  $\frac{6}{25}$  

•  $\frac{2}{3}$  

•  $\frac{3}{2}$  

Tampa has an elevation if -250 feet. Clearwater is 3 times as far below sea level as Tampa. What is Clearwater's elevation in feet?

• -750 feet

• -250 feet

• -253 feet

• 750 feet

Which expression has a value of 2?

• $\frac{\left(-3\right)\left(4\right)}{6}$

• $\frac{\left(-3\right)\left(-4\right)}{-6}$

• $\frac{\left(3\right)\left(-4\right)}{-6}$

• $\frac{\left(3\right)\left(-4\right)}{6}$

• $\frac{\left(3\right)\left(4\right)}{6}$

 

Patrice has 25 feet of string to make bracelets. If each bracelet takes  $2\ \frac{1}{3}$  feet of string, What is the most number of bracelets she can make?

• 8

• 9

• 10

• 11

Using an inequality symbol, or equal sign, compare the following values. 

4(-2)+4 ______ -4(-1)+3

•  $<$  

•  $>$  

•  $=$  

•  $\le$  

 $5\ +\ \left(-8\right)\ \div\left(-2\right)\ \circ\ 6$  

Find the value of the expression.

(a)  

Antonio withdrew $30 from his checking account on Monday. He withdrew another $30 from the account on Friday. When expression shows how much the balance of Antonio's checking account has changed?

• 30 + 30

• 30 + (-30)

• 2 - 30

• 2(-30)