TeachEngineering
Teach Engineering: Spring Away!
This lab demonstrates Hooke's Law with the use of springs and masses. Students attempt to determine the proportionality constant, or k-value, for a spring. They do this by calculating the change in length of the spring as different...
Centers for Disease Control and Prevention
Centers for Disease Control: Bam! Snow Skiing
Learn all about skiing at this great site! Find out what's the right equipment to use, how to stay warm on the slopes, how to play it safe, and some tips to get you started!
Texas Instruments
Texas Instruments: Explore Parallel and Perpendicular Lines
Students can use a graphing calculator to explore graphs of parallel and perpendicular lines. Students will find that parallel lines have the same slope and different y-intercepts and that the slopes of two perpendicular lines are...
Physics Aviary
Physics Aviary: Acceleration on a Planet Lab
This lab was designed to have students test the factors that affect the acceleration due to gravity on a planet. Students will be able to modify the planet and then drop an object to determine the acceleration on the planet. As the...
Illustrative Mathematics
Illustrative Mathematics: 8.f Distance Across the Channel
This task asks students to find a linear function that models the relationship between water depth and distance across a channel at water level. After finding the equation, they have to verbalize the meaning of the slope and intercept of...
Texas Instruments
Texas Instruments: The Phone Bill Problem
The student is given actual data and asked to find a line of best fit and to give "real world" interpretations of the slope and y-intercept. A great introduction to the 83/84 and its features.
Texas Instruments
Texas Instruments: Two Hot, Two Cold
In this activity, students collect both Celsius and Fahrenheit temperature data for several water samples of varying temperatures. They use the data to find a conversion equation that will calculate the Fahrenheit temperature for any...
Texas Instruments
Texas Instruments: Jason: Potential and Kinetic Energy a River Study
Disappearing Wetlands: Simulate sediment reintroduction channels using a ramp at two slopes. They will then find the kinetic energy of the ball at different times as it rolls down the ramp.
Texas Instruments
Texas Instruments: Classifying Quadrilaterals
Students receive two Cabri Jr. files of quadrilaterals on a coordinate plane. They use their knowledge of quadrilaterals to give each one the most precise name. They may find the length and/or slope of the sides using the measuring tools...
CK-12 Foundation
Ck 12: Algebra: Forms of Linear Equations
[Free Registration/Login may be required to access all resource tools.] Write linear equations in standard form and find the slope and y-intercept of such lines.
Khan Academy
Khan Academy: Advanced Reflections
Find the reflection that maps a given figure to another and draw the image of a reflection. The lines of reflection in this exercise have a wide range of slopes. Students receive immediate feedback and have the opportunity to try...
Cornell Lab of Ornithology
Habitat Network: Fen Wetlands
Sometimes called rich fens, find out about these saturated environments that are fed with mineral-rich groundwater and occur at low points or slopes in the landscape where the soil surface is intercepted by the water table.
Khan Academy
Khan Academy: Advanced Reflections
Find the reflection that maps a given figure to another and draw the image of a reflection. The lines of reflection in this exercise have a wide range of slopes.
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...
Windstream
Ojk's Precalculus Study Page: Easier Trigonometric Equations
An introduction to solving trigonometric equations, including finding general and particular solutions. The connection between the tangent function and the slope of a line is also covered. Includes several examples and graphs.
University of Regina (Canada)
Univeristy of Regina: Math Central: Tangent Lines and Circle Equations
This site offers a problem and solution to finding all possible slopes for a line tangent to a circle given a particular equation of a circle. Could be an interesting challenge for students.
Ducksters
Ducksters: Kids Math: Graphs and Lines Glossary and Terms
This site contains a math glossary and terms on graphs and lines for kids. Find definitions used in this mathematics subject such as coordinates, midpoint, and slope.
CK-12 Foundation
Ck 12: Algebra: Solutions to Compound Inequalities
[Free Registration/Login may be required to access all resource tools.] Solve compound inequalities and graph the solution set on a number line.
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