3/18 Performance Task
Presentation
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Mathematics
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7th Grade
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Practice Problem
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Medium
+3
Standards-aligned
Cassandra Poulin
Used 37+ times
FREE Resource
15 Slides • 11 Questions
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3/18
Today, we are going to look at the Ratios and Proportion's performance task from the benchmark.
If you haven't already please write down this information.
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Write down this information on your whiteboard - you will need it for the rest of the problems.
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Question 1
The company's chief financial officer plots material costs on a graph, where the x-axis represents the number of pounds of material bought, and the y-axis represents the total cost of the purchase, in dollars. Given that the cost per pound is proportional, complete the table to indicate which ordered pairs could represent material purchases of concrete steel, and/or wood.
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What is it asking me?
They're asking us to match coordinate points (x,y) to the unit cost of each item.
We must figure out the unit rate of each coordinate point
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Question 2
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How much would 156 pounds of wood cost?
Remember that the cost for 1 pound of wood is $0.29
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How many pounds could you purchase for $208.80?
Remember that the cost for 1 pound of wood is $0.29
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What is the cost for 1 foot of steel?
Hint: find 1 foot of steel on your chart
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Multiple Choice
What is the meaning of the point (1,12) on the graph?
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Multiple Choice
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Multiple Choice
3/18
Today, we are going to look at the Ratios and Proportion's performance task from the benchmark.
If you haven't already please write down this information.
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