Combining Coins

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Grade Level

• Elementary School

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Subject

• Mathematics

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Length of Time

• 1 Hour

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Description

• In this lesson, students will group the amounts of coins into the smallest number of coins. This lesson is for 3rd through 5th grade students.

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Goals

• Students will learn:
  
  * About Coins
  
  * How to group coins into smallest amount
  

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Materials Needed

• * The worksheet I have included in this lesson
  
  * Pencils and erasers
  

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Procedure

• First, you will copy the worksheet so that each student will have a copy.
  
  Then, you will explain to the students what they are to do.
  
  You can illustrate on the board the following example:
  5 pennies, 5 nickles 4 dimes, 3 quarters
  
  5 pennies = 5 cents - Since 5 pennies = 5 cents, you can use a nickle.
  5 nickles = 25 cents - Since 5 nickles = 25 cents, you can use a quarter.
  
  4 dimes = 40 cents - Since 4 dimes = 40 cents, you can use 1 quarter, 1 dime, and 1 nickle.
  
  3 quarters = 75 cents - Since 3 quarters = 75 cents, you can use 3 quarters.
  
  Here are the total coins used: 1 nickle, 1 quarter, 1 quarter, 1 dime, 1 nickle, and 3 quarters. Total = $1.45
  
  
  
  Worksheet - Combining Coins
  
  Directions - You will combine the following coins in each group so that you are using the least amount of coins.
  
  For example, 2 nickles = 1 dime, 5 pennies = 1 nickle, or 5 nickles = 1 quarter.
  
  Then, you will write the total in each group.
  
  1. 2 nickles, 3 dimes, 2 quarters =
  
  2. 5 nickles, 4 dimes, 1 quarter =
  
  3. 10 pennies, 3 nickles, 2 dimes, 1 quarter =
  
  4. 6 nickles, 5 dimes, 3 quarters =
  
  5. 8 pennies, 3 nickles, 2 dimes, 2 quarters =
  
  6. 4 nickles, 5 dimes, 1 quarter =
  
  7. 10 pennies, 5 nickles, 3 dimes =
  
  8. 7 pennies, 2 nickles, 5 dimes =
  
  9. 3 dimes, 2 quarters, 1 nickle =
  
  10. 5 pennies, 3 dimes, 2 quarters =
  
  11. 10 dimes, 2 quarters =
  
  12. 7 dimes, 2 quarters, 1 nickle =
  
  13. 2 pennies, 2 nickles, 2 dimes, 2 quarters =
  
  14. 10 pennies, 3 nickles, 3 dimes, 3 quarters =
  
  15. 25 pennies, 2 nickles, 4 dimes, 1 quarter =
  
  16. 15 pennies, 10 nickles, 5 dimes, 1 quarter =
  
  17. 4 pennies, 4 nickles, 4 dimes, 4 quarters =
  
  18. 3 pennies, 3 nickles, 3 dimes, 3 quarters =
  
  19. 5 quarters =
  
  20. 5 dimes, 5 nickles, 5 quarters =
  
  

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Grading

• 100 to 90 = A
  
  89 to 80 = B
  
  79 to 70 = C
  
  69 to 60 = D
  
  Below 60 = F
  
  

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