NAME ______________________________ DATE _______________

ACTIVITY

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Round 20

• 3 Jake says that the total number of pennies after round 20 is double the number after round 10 because 20 is double 10. Marisol disagrees and says that Jake's method will not work. Do you agree with Jake or with Marisol? Why?

  • a. Write your explanation in words.

  • b. Create a representation for this Penny Jar situation that shows your ideas about whether doubling works.

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