1. There are ___ quarters in a dollar. A quarter is worth ___ of a dollar, or ___¢.

2. There are ___ dimes in a dollar. A dime is worth ___ of a dollar, or ___¢.

3. There are ___ nickels in a dollar. A nickel is worth ___ of a dollar, or ___¢.

4. There are ___ pennies in a dollar. A penny is worth ___ of a dollar, or ___¢.

5. Using only four quarters, how many different amounts could you make? (Hint: You don't have to use all the quarters.)

6. Using one penny, one nickel, one dime, and one quarter, how many different amounts could you make? (Hint: You don't have to use all the coins each time.)

7. What is the minimum number of coins you would need to make every value from 1¢ to 99¢?