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G ALACTIC E XCHANGE - E XTRA P RACTICE
Do not submit these answers
This page is for extra practice only.


Click here to show Extra Practice Applet

Questions:
  1. Buy a package of zoogs. What is the fewest number of coins needed to puchase a package of zoogs using exact change?

  2. Which coin is worth the least and how many does it take to equal each of the other coins?

  3. How many of the least valuable coins would it take to buy a package of zoogs?

  4. Buy a package of Glorps. What is the fewest number of coins needed to purchase a package of Glorps using exact change? How many of the least valuable coins would it take to buy a package of Glorps?

  5. Another Earthling arrives on the next shuttle and wants to try some Mushniks. Explain how you figured out the relationship between each coin.

  6. What is the fewest number of coins needed to purchase a package of Mushniks using exact change?

Click here to show the solutions to the practice problems

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