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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N q.a.1, a ced.a.1, and N q.a.2: Harvesting the Fields

For Teachers 9th - 10th Standards
This task is about farm-workers who are harvesting two fields. Students are presented with a scenario involving two teams of workers, two different sizes of fields, and work spread out over two days. They must calculate how many...
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Handout
Other

Wpi: Exponential Decay and Effective Medicine Dosage

For Students 9th - 10th Standards
This site is an example of the use of exponential decay. The example involves the effectiveness of a medical dosage over time.
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Activity
San Diego State University

San Diego State University: Allometric Modeling

For Students 9th - 10th Standards
This site shows how to use exponential graphs to model AIDS cases. Very detailed site.
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Unknown Type
Khan Academy

Khan Academy: Interpret Change in Exponential Models: Changing Units

For Students 9th - 10th Standards
Given a function that models an exponential situation, rewrite the function in order to find its change for a different time unit. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
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Handout
Wolfram Research

Wolfram Math World: Exponential Decay

For Students 9th - 10th Standards
MathWorld provides the equation for exponential decay and an explanation of the variables of the equation.
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Activity
TeachEngineering

Teach Engineering: Eureka! Or Buoyancy and Archimedes' Principle

For Teachers 9th - 10th
Students explore material properties in hands-on and visually evident ways via the Archimedes' principle. First, they design and conduct an experiment to calculate densities of various materials and present their findings to the class....
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Lesson Plan
TeachEngineering

Teach Engineering: Bernoulli's Principle

For Teachers 9th - 10th
Bernoulli's principle relates the pressure of a fluid to its elevation and its speed. Bernoulli's equation can be used to approximate these parameters in water, air or any fluid that has very low viscosity. Young scholars learn about the...
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Activity
TeachEngineering

Teach Engineering: Penny Perfect Properties (Solid Liquid Interactions)

For Teachers 9th - 10th
Students investigate the property dependence between liquid and solid interfaces and determine observable differences in how liquids react to different solid surfaces. They compare copper pennies and plastic "coins" as the two test...
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Unit Plan
Texas Education Agency

Texas Gateway: Graphing Conic Sections: Ellipses

For Students 9th - 10th
Given an equation, the student will use parameter changes to graph an ellipse and to identify the changes in the graph of an ellipse.
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Unit Plan
Texas Education Agency

Texas Gateway: Graphing Conic Sections: Hyperbolas

For Students 9th - 10th
Given an equation, the student will use parameter changes to graph a hyperbola and to identify the changes in the graph of a hyperbola.
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Handout
Wolfram Research

Wolfram Science World: Elasticity

For Students 9th - 10th
Over 30 equations which define quantities which server as measurable parameters of an object's elasticity are given. Some equations are derived and the derivations are explained. Highly technical!
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Taxi!

For Teachers 9th - 10th Standards
In this task, students explore the linear relationship between distance traveled and taxi fare cost. Aligns with A-REI.D.10 and F-LE.B.5.
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Handout
Other

States of Matter and Properties of Gases: Terms

For Students 9th - 10th
A very complete list of terms that are important to the study of gases. This resource is a web archive.