#1-Four Coins = 83 Cents

In Cheesie Mack Is Not a Genius or Anything, my grandfather Gumpy gave me a math problem while he was tapping his fingers together. Here’s what it was:

“Let’s say (tap, tap) there’s eighty-three cents in my pocket,” he said. “What’s the fewest number of coins I could have?”

“United States coins?” I asked.

He nodded (tap, tap).

I thought for a few seconds and answered, “Four.”

His forehead wrinkled up like he was surprised at me. “Nope. Six. A half-dollar, a quarter, a nickel, and three pennies.”

But I proved I was right . . . and he was amazed.

Did you figure it out?

Most kids think the correct answer is seven: three quarters, a nickel, and three pennies.

massachusetts-quarter newyork-quarter

But that’s wrong because most kids don’t even think about a half dollar because they usually never see one. (I can’t remember the last time I held a half dollar!) But Gumpy knew about half dollars. That’s why he thought the answer was six.

So why is the correct answer four coins? Because in the 19th Century—at two different times, 1851-1873 and 1865-1889—the United States minted three-cent coins. I learned that when I was researching the 1909 Lincoln Cent that Georgie and I found in his basement.


I have never seen a three-cent coin for real.


If you want to try to puzzle your family and friends with questions like this, you need to know that the United States also had twenty-cent, two-cent, and half-cent coins.

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Update: Look what I got in the mail!


Here’s what was in the letter.  I made the image much, much larger so the details are visible. You can see that it’s not the same as the three-cent coin above. The USA made two different designs in the 19th century. And now I actually own one. How cool is that?!

 

Comments from my Readers & Friends

  5. Still six…………JK four 1 half dollar 3 dimes 3 licon cents…………………………………………………………………………………………………………………………………………………………………………..
    ……………………………………………SEVEN!!!!

  7. Very cool!!! I thought it was something like that! Like a coin that wasnt in production any more☺️

  9. That is so cool I have a Canadian 2 dollar bill with a past presedent of canadia
    I also have a amarican 2 doller bill

  12. Hi Chessie
    I was amazed about how you heard about a 3 cent coin. I’ve never heard about a 3 cent coin until now

  14. my teacher is reading the first book to my class it is very good though she all was ends at a clift hager

    • Hey! I am going to visit a whole bunch of Massachusetts schools in May. Ask your teacher if she would like me to come to yours.

    • Sup is sometimes shorthand for supper. So, I had take-out Chinese food for supper. That’s what’s sup.

    • Cheesie I have one of your books they got me out of getting a library book because there was nothing I wanted. YOUR BOOKS ARE TOTALLY AWESOME!!!!!!!!!!!!!!!!!!!!!!!!Because they stretch my vocabulary and they’re really interesting and fun to read

  18. hi i am in third grade now! remember me the person who asked how many cents make 83