Doubling Dollars

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Students will double a single dollar once per day and discover how long it takes to reach $1 million. Along the way, they’ll move from repeated multiplication to using exponents.

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This lesson includes a teacher overview plus 6 videos for students to work through independently.

Say you have a dollar. Say you can double that dollar each day: $1, $2, $4, and so on. How long will it take to reach… one million dollars? Not as long as you might think!

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