F-LE.2.5

Interpret the parameters in a linear or exponential function in terms of a context.

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Formative Assessments
Formative Assessments
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Students are given a linear function in context and asked to interpret its parameters in the context of a problem.
Computer Repair
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Students are asked to interpret parameters of an exponential function in context.
Interpreting Exponential Functions
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Students are given a linear function in context and asked to interpret its parameters in the context of a problem.
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Virtual/Hands-on Manipulatives
Virtual/Hands-on Manipulatives
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Restrict, reposition, and rotate lines at will using slope-intercept form. Use precision in describing these transformations using words and/or symbols.
Marbleslides: Lines
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In this online tool, students input a function to create a graph where the constants, coefficients, and exponents can be adjusted by slider bars. This tool allows students to explore graphs of functions and how adjusting the numbers in the function affect the graph. Using tabs at the top of the page you can also access supplemental materials, including background information about the topics covered, a description of how to use the application, and exploration questions for use with the java applet.
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Assessment Questions
Assessment Questions
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Videos of Expert Instruction
Videos of Expert Instruction
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This video lesson shows students that math can play a role in understanding how an infectious disease spreads and how it can be controlled. During this lesson, students will see and use both deterministic and probabilistic models and will learn by doing through role-playing exercises.
MIT BLOSSOMS – Flu Math Games
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No need to sugar coat it: making candy involves math and muscles. Learn how light refraction and exponential growth help make candy colors just right!
Making Candy: Illuminating Exponential Growth
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Hook/Performance Tasks
Hook/Performance Tasks
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In the task ``Carbon 14 Dating`` the amount of Carbon 14 in a preserved plant is studied as time passes after the plant has died. In practice, however, scientists wish to determine when the plant died, and as this task shows, that is not possible with a simple measurement of the amount of Carbon 14 remaining in the preserved plant.
Carbon 14 Dating in Practice I
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This context makes for an interesting application of calculating interest.
How Much Did Peterson Lose By Not Cashing His Check?
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The purpose of the first question is to give students a question that they can sink their teeth into. There are many ways for them to determine that together the pair ate 36 hot dogs in the first four rounds (1 + 2 + … + 8).
How Many Hot Dogs Did They Eat?!
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This problem-solving task asks students to describe exponential growth through a real-world problem involving the illegal introduction of fish into a lake.
Illegal Fish
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This awesomely gross lesson provides students with a real world context for building linear functions.
How Much Does A 100×100 In-N-Out Cheeseburger Cost?
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The coffee cooling experiment is a popular example of an exponential model with immediate appeal. The model is realistic and provides a good context for students to practice work with exponential equations.
Newton’s Law of Cooling
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Students will find the annual gas costs for each car and subtract them.
Do Hybrid Cars Pay For Themselves?