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[accordion-item title=”What do you notice? What do you wonder?”]
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[accordion-item title=”Spark: Image”]
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[accordion-item title=”Estimation: Prompt”]
How many square tiles are there around the outer edge of the circle?
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[accordion-item title=”Estimation Prompt Image 2″]
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[accordion-item title=”Struggle Video”]
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[accordion-item title=”Struggle Prompt”]
Update your estimate.
How might we convince someone that the quantity you come up with is reasonable without the use of a calculator?
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[accordion-item title=”Reveal: Video”]
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[accordion-item title=”Reveal: Image”]
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[accordion-item title=”Investigate: Using…”]
Using string, cubes, and other non-standard measurement tools, measure the distance around several circular objects (circumference), as well as the distance across the middle of those objects (diameter).
Record your measurements in a table like you see below.
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[accordion-item title=”1. What do you notice…”]
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[accordion-item title=”2. Based on what you discovered…”]
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[accordion-item title=”3a. Without measuring or using a calculator…”]
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[accordion-item title=”3b. Without measuring or using a calculator…”]
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[accordion-item title=”4. The figure below…”]
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