Building Fluency with 2s, 3s, 4s, 5s, 9s, and 10s

 $4\ \cdot\ 3\ =$  

4 x ____ = 28

 $27\ \div\ 9\ =$  

30 / 5 =

 $9\ \cdot\ 9\ =$  

8 x ____ = 16

 $3\ \cdot\ _{ }$ ____  = 18

 $21\ \div\ 3\ =$  

45 / 5 =

There are 4 measuring cups in a set. Mr. Lee's science class has 8 sets of measuring cups. How many cups are there altogether?