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Guess-timate Jars

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  • DOMAIN(S)
    Cognitive Development and General Knowledge (CD)
  • INDICATOR(S)
    CD-MA7.4a
  • AGE GROUP(S)
    48-60 months

As the children gain experience with estimation, you want to begin to anchor their “best guesses” to benchmarks of five and 10. Show them two jars, one with 10 marker lids inside and one with a different amount. Ask them to tell you if the second jar has more than 10, less than 10 or aboutthe same as 10. Reveal the answer and compare to their estimations. This could be done in large group.  

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