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Filling your classroom with tennis balls . Estimating large numbers. Make an estimate of how many plastic balls are needed to fill the classroom. Work in small groups to come up with a method for calculating the number of balls. Make a scale model Draw a picture
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Filling your classroom with tennis balls Estimating large numbers Make an estimate of how many plastic balls are needed to fill the classroom.
Work in small groups to come up with a method for calculating the number of balls • Make a scale model • Draw a picture • Calculate the number in a smaller area
Be prepared to present your estimation process to the class.