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Essential Question: How does she guess the number correctly?
Essential Question: How does she guess the number correctly?
Act 1 - What is happening?
Act 1 - What is happening?
1. Open the link and take part in the math trick.
1. Open the link and take part in the math trick.
2. What do you notice? What do you wonder?
2. What do you notice? What do you wonder?
3. Questions:
3. Questions:
How does she keep winning?
How does she keep winning?
What strategy does she use to win?
What strategy does she use to win?
4. Write a hypothesis: How do you think she is winning? What would be an unreasonable hypothesis?
4. Write a hypothesis: How do you think she is winning? What would be an unreasonable hypothesis?
Act 2 - Investigate
Act 2 - Investigate
5. With a partner, or individually investigate the trick further by trying other numbers and look for a pattern.
5. With a partner, or individually investigate the trick further by trying other numbers and look for a pattern.
Use a calculator to help you.
Use a calculator to help you.
6. Refine your hypothesis.
6. Refine your hypothesis.
Act 3 - The solution
Act 3 - The solution
7. Share strategies and solutions.
7. Share strategies and solutions.
Based on the three act task: A Math-ic Prediction by mwiernicki .
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