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Develop Rules for Multiplying Signed Numbers

Develop Rules for Multiplying Signed Numbers . a. What patterns do you see in the table?. c. What relationships or patterns do you notice between the produtcs (values) in quadrant two and the products (values) in quadrant 1?

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Develop Rules for Multiplying Signed Numbers

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  1. Develop Rules for Multiplying Signed Numbers

  2. a. What patterns do you see in the table?

  3. c. What relationships or patterns do you notice between the produtcs (values) in quadrant two and the products (values) in quadrant 1? • d. What relationships or patterns do you notice between the products (values) in quadrant two and the products (values) in quadrant four? • e. Use what you know about the products (values) in quadrant one, two, and four to describe what quadrant three will look like when its products (values) are entered.

  4. f. Is it possible to know the sign of a product of two integers just by knowing in which quadrant each integer is located? Explain. • g. Which quadrants contain which values?

  5. Generate real-world situations that can be modeled by each of the following multiplication problems. • a. −3 × 5 • b. −6 × (−3) • c. 4 × (−7)

  6. How do we determine if the product of two signed numbers will be positive or negative? • Why does the product of two negative values result in a positive value?

  7. Exit Ticket • 1. Create a real-life example that can be modeled by the expression −2 × 4, and then state the product. • 2. Two integers are multiplied, and their product is a positive number. What must be true about the two integers?

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