Multiply and Divide Rational Numbers

Sarah bought 2.5 meters of fabric to make a patchwork quilt. If the fabric was on sale for $6.20 per meter, how much did Sarah spend?

• $15.50
• $155
• $15.65
• $1.55

30 ÷ 0.8 = _____

• 375
• 3.75
• 37.5
• .375

3.69 ÷ 0.9

• 4.1
• 4.3
• 3.1
• 4.2

0.4x0.9

• 0.36
• 3.6
• 0.036
• 7.2

Change 33/4 to a mixed number.

• 8  1/4
• 8  3/4
• 7  1/4
• 7  2/4

1/4 ÷ 2 = 

• 8
• 1/8
• 12
• 1/12

Divide. 5/3 ÷ 15/7

• 3  4/7
• 7/9
• 7/15
• 2  2/15

Find the product:  $\left(-\frac{1}{4}\right)\left(-\frac{1}{8}\right)$  

•  $\frac{1}{32}$  

•  $-\frac{1}{32}$  

•  $-\frac{3}{8}$  

•  $\frac{1}{6}$  

• none of these

Find the product $\left(\frac{1}{2}\right)\left(-\frac{16}{9}\right)$  

•  $-\frac{8}{9}$  

•  $-\frac{5}{6}$  

•  $-6\ \frac{3}{5}$  

•  $-\frac{9}{32}$  

• none of these

Find the product:  $\left(-\frac{2}{3}\right)\left(-\frac{1}{2}\right)$  

•  $\frac{1}{3}$  

•  $-\frac{1}{3}$  

•  $-1\ \frac{1}{6}$  

•  $1\ \frac{1}{3}$  

• none of these