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# Secondary Mathematics III Resources

This collection contains highly recommended Secondary Mathematics IIIlessons, activities, and other resources from the eMedia library.

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In air transportation, efficiency is time and time is money. Even small delays in the schedules of passenger airplanes result in lost time for both air carriers and their passengers. During any passenger flight, there are two time-consuming operations that depend mostly on human behavior: boarding and disembarking the aircraft.

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
Consortium for Mathematics and its Applications
Provider Set:
MathModels
12/05/2023
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This task examines, from a mathematical and statistical point of view, how scientists measure the age of organic materials by measuring the ratio of Carbon 14 to Carbon 12. The focus here is on the statistical nature of such dating.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
04/26/2022
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This Illustrative Mathematics task is a refinement of "Carbon 14 dating" which focuses on accuracy. While the mathematical part of this task is suitable for assessment, the context makes it more appropriate for instructional purposes. This type of question is very important in science and it also provides an opportunity to study the very subtle question of how errors behave when applying a function: in some cases the errors can be magnified while in others they are lessened.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
04/26/2022
Unrestricted Use
CC BY
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This Teaching Channel video illustrates how two teachers' collaboration impacted their algebra program. This site provides a lesson plan and student handouts. (10 min.)

Provider:
Teaching Channel
06/22/2022
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Prior to the arrival of European colonization on the North American continent, the ecological bio-diversity was much richer than we currently know in the 21st Century. Prior to the colonization animals such as the American Bison (Bison bison), Eastern Elk (Cervus canadensis canadiensis), Eastern Cougar (Puma concolor couguar), and Wolf (Canis lupus) were commonly seen across the North American continent. However, with the colonization from the old world came old world prejudices and practices. Within two hundred and fifty years all of these species were eradicated from the Eastern United States or extinct. Over the course of the last century an effort has been made to halt the loss of the North American fauna with the creation of national parks and animal preservation habitats, and in the last half of 20th century work was being done to reintroduce that fauna back to its natural habitat. This process has been used with several different species; however, no species has been given as much attention in the Eastern United States as that of the American Elk.

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
Consortium for Mathematics and its Applications
Provider Set:
MathModels
12/05/2023
Unrestricted Use
CC BY
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Students are introduced to all kinds of angles in this lesson plan, including acute, obtuse, right, vertical, adjacent, and corresponding among others.

Provider:
Interactive
06/22/2022
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This Illustrative Mathematics task students have to interpret expressions involving two variables in the context of a real world situation.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
04/26/2022
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CC BY
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This problem combines the ideas of ratio and proportion within the context of density of matter.

Provider:
Illustrative Mathematics
06/22/2022
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CC BY-SA
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Open Middle provides math problems that have a closed beginning, a closed end, and an open middle. This means that there are multiple ways to approach and ultimately solve the problems. Open middle problems generally require a higher Depth of Knowledge than most problems that assess procedural and conceptual understanding.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Open Middle Math
04/26/2022
Unrestricted Use
CC BY
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This purpose of this task is to develop an understanding of the formula for the area of the circle.

Provider:
Illustrative Mathematics
06/22/2022
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An art gallery is holding a special exhibition of small watercolors. The exhibition will be held in a rectangular room that is 22 meters long and 20 meters wide with entrance and exit doors each 2 meters wide as shown below. Two security cameras are fixed in corners of the room, with the resulting video being watched by an attendant from a remote control room. The security cameras give at any instant a "scan beam" of 30o. They rotate backwards and forwards over the field of vision, taking 20 seconds to complete one cycle.

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
Consortium for Mathematics and its Applications
Provider Set:
MathModels
12/05/2023
Unrestricted Use
CC BY
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This task can be used as a classroom activity. There is a lot of opportunity to discuss the process of mathematical modeling. It serves to illustrate MP 4 - Model with Mathematics, not just by engaging in the practice, but also by investigating what this practice entails.

Provider:
Illustrative Mathematics
06/22/2022
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In this task, students use trigonometric functions to model the movement of a point around a wheel and, in the case of part (c), through space (F-TF.5). Students also interpret features of graphs in terms of the given real-world context (F-IF.4).

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
04/26/2022
Unrestricted Use
CC BY
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This task provides a real world context for interpreting and solving exponential equations. There are two solutions provided for part (a). The first solution demonstrates how to deduce the conclusion by thinking in terms of the functions and their rates of change. The second approach illustrates a rigorous algebraic demonstration that the two populations can never be equal.

Provider:
Illustrative Mathematics
06/22/2022
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The First National Bank has just been robbed (the position of the bank on the map is marked). The clerk pressed the silent alarm to the police station. The police immediately sent out police cars to establish road blocks at the major street junctions leading out of town. Additionally, 2 police cars were dispatched to the bank.

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
Consortium for Mathematics and its Applications
Provider Set:
MathModels
12/05/2023
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|The bank manager is trying to improve customer satisfaction by offering better service. Management wants the average customer to wait less than 2 minutes for service and the average length of the queue (length of the waiting line) to be 2 persons or fewer. The bank estimates it serves about 150 customers per day. The existing arrival and service times are given in the tables below

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
Consortium for Mathematics and its Applications
Provider Set:
MathModels
12/05/2023
Unrestricted Use
CC BY
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This task asks students to use similarity to solve a problem in a context that will be familiar to many, though most students are accustomed to using intuition rather than geometric reasoning to set up the shot.

Provider:
Illustrative Mathematics
06/22/2022
Unrestricted Use
CC BY
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This task presents a simple but mathematically interesting game whose solution is a challenging exercise in creating and reasoning with algebraic inequalities. The core of the task involves converting a verbal statement into a mathematical inequality in a context in which the inequality is not obviously presented, and then repeatedly using the inequality to deduce information about the structure of the game.

Provider:
Illustrative Mathematics
06/22/2022
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Almost everyone will seek health care at some point in life. In an emergency, an individual will most likely go to the closest hospital, but for non-emergencies we may have a choice of where to seek treatment.

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
Consortium for Mathematics and its Applications
Provider Set:
MathModels
12/05/2023
Restricted Use
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Although it's only November, you need to start planning for your 2021 summer job. You have a variety of choices this year and want to determine your "best" choice. You pose this problem for your team of math friends:

Subject:
Mathematics
Material Type:
Lesson Plan
Provider:
Consortium for Mathematics and its Applications
Provider Set:
MathModels