What is the total of my hand? How would we write this as multiplication?
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Transcript of What is the total of my hand? How would we write this as multiplication?
![Page 1: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/1.jpg)
• What is the total of my hand?
• How would we write this as multiplication?
![Page 2: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/2.jpg)
• What is the total of my hand?
• How would we write this as multiplication?
![Page 3: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/3.jpg)
![Page 4: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/4.jpg)
![Page 5: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/5.jpg)
Modeling with Integer Chips
3 x 4
![Page 6: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/6.jpg)
3 x -4
![Page 7: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/7.jpg)
-3 x 4
![Page 8: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/8.jpg)
-3 x -4
![Page 9: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/9.jpg)
• Generate real-world situations that can be modeled by each of the following multiplication problems.
• a. −3 × 5
• b. −6 × (−3)
• c. 4 × (−7)
![Page 10: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/10.jpg)
The Rules
• There are only two rules to follow:
– Multiplying or dividing integers with the same sign, the outcome is positive
– Multiplying or dividing integers with different signs, the outcome is negative
![Page 11: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/11.jpg)
Try Some
6 8 4 3 2 6
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Closure
• 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?
![Page 13: What is the total of my hand? How would we write this as multiplication?](https://reader030.fdocuments.net/reader030/viewer/2022012913/56649ef65503460f94c09f9c/html5/thumbnails/13.jpg)
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?