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Charlie’s Big Decision

    By: Ann Onymous
Charlie really likes his friends. He does
 everything with them, like go to school,
 play sports, and play video games.




   Dan         Charlie         Ean
One day, while Charlie was reading with
            his friend Ean, he started thinking
          about his brother’s birthday party that
                 his mother was planning.
Hmm, I
wonder…
Then it hit him! “If I associate with Ean first,
  then bring Dan to the party, Dan will get mad
  at me. But If I associate with Dan first, then
  bring Ean to the party, then Ean will get mad
  at me.” Charlie was really in a pickle.

(Ean + Charlie) + Dan = Bad News
Ean + (Charlie + Dan) = Bad News




     Associative property of addition
Charlie needed to come up with a plan and fast!
  Charlie first asked his mother what to do about
  his big decision and she said, “Charlie, If Ean
  identifies himself as your true friend, then he
  will continue to call you his friend the same way
  he always has.”


Ean likes Charlie + Charlie’s good actions = Ean likes Charlie




   Identity property of addition
Charlie thought and thought about what his mother said. He
  commuted the different scenarios in his head, but no matter
  which way he put it, he kept coming to the same conclusion…


        Asking Ean first + Asking Dan second = Sad & Confused Charlie

        Asking Dan first + Asking Ean second = Sad & Confused Charlie




addition
Commutative property of
So Charlie told his aunt Kathy about his problem. “I
  don’t want my friends to be mad at me, but I
  don’t know who to ask to the party first”, Charlie
  exclaimed. Aunt Kathy responded, “Why can’t
  you distribute your invitation to them at the
  same time?” “That’s a wonderful idea!” said
  Charlie.Thanks aunt Kathy!”


Charlie + (Ean + Dan) = Happy Friends



    Distributive property of addition
The next day, when Charlie was eating lunch with his friends, he distributed
the party invitation to his friends while they were together. Ean said, “Thanks
Charlie! Hey, why don’t go to the mall after school together to get your
brother a very special present.” Charlie told his friends about his problem
and they both said, “It doesn’t matter who gets an invitation first, as long as
we all get to hang out together.”

                                                                     “Let’s get your
                                                                     brother a present
                                                                     after school today!”
Charlie learned that whether he chooses to associate
with one friend first or distribute them at the same
time, he would still have two very special friends. All
three friends came to the party and had a wonderful
time!
Charlie's Big Math Decision

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Charlie's Big Math Decision

  • 1. Charlie’s Big Decision By: Ann Onymous
  • 2. Charlie really likes his friends. He does everything with them, like go to school, play sports, and play video games. Dan Charlie Ean
  • 3. One day, while Charlie was reading with his friend Ean, he started thinking about his brother’s birthday party that his mother was planning. Hmm, I wonder…
  • 4. Then it hit him! “If I associate with Ean first, then bring Dan to the party, Dan will get mad at me. But If I associate with Dan first, then bring Ean to the party, then Ean will get mad at me.” Charlie was really in a pickle. (Ean + Charlie) + Dan = Bad News Ean + (Charlie + Dan) = Bad News Associative property of addition
  • 5. Charlie needed to come up with a plan and fast! Charlie first asked his mother what to do about his big decision and she said, “Charlie, If Ean identifies himself as your true friend, then he will continue to call you his friend the same way he always has.” Ean likes Charlie + Charlie’s good actions = Ean likes Charlie Identity property of addition
  • 6. Charlie thought and thought about what his mother said. He commuted the different scenarios in his head, but no matter which way he put it, he kept coming to the same conclusion… Asking Ean first + Asking Dan second = Sad & Confused Charlie Asking Dan first + Asking Ean second = Sad & Confused Charlie addition Commutative property of
  • 7. So Charlie told his aunt Kathy about his problem. “I don’t want my friends to be mad at me, but I don’t know who to ask to the party first”, Charlie exclaimed. Aunt Kathy responded, “Why can’t you distribute your invitation to them at the same time?” “That’s a wonderful idea!” said Charlie.Thanks aunt Kathy!” Charlie + (Ean + Dan) = Happy Friends Distributive property of addition
  • 8. The next day, when Charlie was eating lunch with his friends, he distributed the party invitation to his friends while they were together. Ean said, “Thanks Charlie! Hey, why don’t go to the mall after school together to get your brother a very special present.” Charlie told his friends about his problem and they both said, “It doesn’t matter who gets an invitation first, as long as we all get to hang out together.” “Let’s get your brother a present after school today!”
  • 9. Charlie learned that whether he chooses to associate with one friend first or distribute them at the same time, he would still have two very special friends. All three friends came to the party and had a wonderful time!