An Apple A Day
Number Sense/Computation
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Objective
Students will use number sense and estimation such as taking a sample and using benchmarks to make reasonable estimates.
Students will use computation skills to solve problems and estimation to check the
reasonableness of the results.
Overview of the Lesson
Utilizing the thematic setting of Johnny Appleseed, students have many
opportunities to practice their number sense, computation and estimation skills as
they progress from merely guessing the number of apples in a bushel to making a
reasonable estimate based on a point of reference or benchmark. Students use data
from the Michigan Apple Growers to compute and analyze the total amount of
apple yield per acre. They work at centers to gain experiences in visualizing the
magnitude of one million apples. Students also gain experience in using a grid as a
resource to make better estimations.
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