Unit 6 - Lesson 4 - Grade 8: Illustrative Mathematics
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Algebra I, Algebra II, Geometry, Math
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11 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
If a car weighs 1,750 kg, would you expect its fuel efficiency to be closer to 22 mpg or to 28 mpg? Explain your reasoning.
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Two diamonds that both weigh 1.5 carats have different prices. What are their prices? How can you see this in the table? How can you see this in the graph?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
The model predicts that when the weight is 1.5 carats, the price will be $7,189. How can you see this in the graph? How can you see this using the equation?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
One of the diamonds weighs 1.9 carats. What does the model predict for its price? How does that compare to the actual price?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Find a diamond for which the model makes a very good prediction of the actual price. How can you see this in the table? In the graph?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
Find a diamond for which the model’s prediction is not very close to the actual price. How can you see this in the table? In the graph?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Estimate the widths of the longest foot and the shortest foot.
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