ClassFlow
Class Flow: Understanding Slope as a Ratio
[Free Registration/Login Required] Finished investigating slope as an angle and will now do some investigation with slope as a ratio. It will then be a bridge to go back to linear equations (with the connection to rate of change). There...
ClassFlow
Class Flow: Understanding Slope
[Free Registration/Login Required] In this lesson students identify, interpret, and use the meaning of slope of a line as a rate of change using physical, symbolic, and technological models.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Interpretacion Geometrica De La Derivada
In Spanish. This interactive unit seeks to familiarize you with the concepts of secant and tangent to a curve. You will be able to take a look at how the approximation is produced and understand the limit as a process that you can see...
Texas Instruments
Texas Instruments: Getting Started With the Ti Navigator: Exploring Change
This activity introduces students to Activity Center. In this activity, students will explore change in the context of cellular telephone charges. Students will create a scatter plot showing that the rate per minute for a "pay as you go"...
PBS
Pbs: The Lowdown: What You Need to Know About Immigration Reform
Interpret graphs showing changes over time in the percentage of foreign-born US residents and in annual deportations in this interactive from KQED. In the accompanying classroom activity, students use the interactive and look at how...
PBS
Pbs: The Lowdown: Made in America: The High Cost of Fashion
Investigate data on changes over time in where our apparel is made and how much we spend on it in these images from KQED. In the accompanying classroom activity, students use the interactive and graph the data. They also look for...
Math Graphs
Houghton Mifflin: Math Graphs: Differential Equation Application [Pdf]
Students examine differential equations and slope fields in this rate of change example. The resource consists of an enlarged printable version of a slope field available in PDF format.
ClassFlow
Class Flow: Linear Equations
[Free Registration/Login Required] Connects what we have learned about slope as a ratio to linear equations. We had previously used the term rate of change, but can now connect it to the idea of slope. There are information pages and...