Curated OER
Y = 2x + 3
This lesson on slope explains the slope concepts, demonstrates how to use the slope formula, shows how to find slope in horizontal and vertical lines, and how to use slope to find whether the lines through the pairs of points are...
Texas Instruments
Texas Instruments: Inverse of Two Temps
In this activity, students find a conversion equation that will calculate the corresponding Celsius temperature for any given Fahrenheit temperature. Students learn to graph scatter plots, analyze and graph linear equations, compute and...
Texas Instruments
Texas Instruments: A Sweet Drink Adventure 7
Students determine how the temperature of water affects the dissolving time of a sugar cube. They create, interpret and analyze graphs of data, find an equation of the line of best fit, and relate slope to rate of change.
Science Education Resource Center at Carleton College
Serc: Natural Stream Tables
This multi-part lesson plan serves as an introduction to stream tables. Young scholars will develop a stream table outside using items they find in the park that represent what they think will and will not get washed into the St Louis...
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.
Khan Academy
Khan Academy: Algebra I: Writing Linear Functions Word Problems
Find a linear function that represents a real-world relationship that is given verbally. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
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...
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.