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Weighing the Evidence
How many pennies are in a mystery roll? Finding the answer involves variables.
| Subject: Algebra; Problem Solving Topics: - Variables - Patterns and Functions - Look for a Pattern Grades: 6 - 8 Concepts: - Variable Knowledge and Skills: - Can explain the reasoning used to solve a problem - Can evaluate whether an answer to a problem is sensible in the context of the problem - Can estimate an answer to a problem to determine if the calculated answer is reasonable - Understands the concept "variable" - Can identify and describe patterns in a collection of related numerical data |
Download Activity: Weighing the Evidence (PDF)
Hands-On Math Movie:
The First American Coins
Steve Contursi owns the first gold coin minted in the US. It's worth 6 million dollars. But numismatists like Steve don’t just collect coins—they also collect their stories. From the meaning behind the term "two-bits" to Martha Washington's silverware, the stories of our money are rich in history and math!
Running time 5:55 minutes.
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