Texas Instruments
Texas Instruments: Use the Regression Feature to Find a Line of Best Fit
This tutorial shows you how to enter a set of data and find the line of best fit.
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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.
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Texas Instruments: That's a Stretch Ti 83
Students determine the relationship between the stretch of a spring and the number of weights in a cup suspended from the spring. They find the Y-value of a function if the X-value is provided. They use technology to plot a set of...
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Texas Instruments: Walking the Line
In this activity, students use linear functions to model and solve problems in situations with slope and a constant rate of change. They learn to represent situations with variables in expressions, equations, and inequalities and use...
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Texas Instruments: Spring Thing: Newton's Second Law
In this activity, students' use a force sensor and a motion detector to collect force and acceleration data for an object moving up and down hanging from a spring. They use the data to test Newton's second law, and to estimate the mass...
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Texas Instruments: Velocity Test: Interpreting Velocity Graphs
In this activity, students' will use a motion detector to record the distance versus time data for the simple motion of a walker. They will calculate velocity from this graph and compare it with the velocity graph generated by the...
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Texas Instruments: Symbolic Study of Lines
Students will write an equation in slope-intercept form given two points on the line; write an equation in Ax + By = C form given slope and one set of coordinates; and prove lines to be parallel or perpendicular given vertices of...
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Texas Instruments: Trends in Data
A CSI activity that deals with "TRENDS IN DATA". You'll conduct an investigation whereby you'll measure parts of your body and contribute to the investigation data to solve a murder. You'll look at different relationships to find proper...
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Texas Instruments: The World Population: Linear and Exponential Models
The population of the world has grown rapidly over the last century. In this activity, several models for the growth of the world's population will be developed. The validity of each in predicting past, current, and future populations...
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Texas Instruments: Match the Graph (Linear And/or Absolute Value)
The students will follow instructions on slope and linear functions, with playing match the graph on the TI-Navigator. Several digital pictures are provided, or you could find your own!
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Texas Instruments: C Ds Anyone?
In this activity, students write rules for real world functions. They make a table to compare function values and graph linear functions on the coordinate plane.
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Texas Instruments: A Steep Hike Adventure 3
Students use the CBR 2 to gather distance and time data for various walking speeds. They observe the effect of change in direction and speed of motion on distance versus time graphs. Students interpret and analyze graphs, calculate slope...
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Texas Instruments: Systems of Equations in Algebra I
This activity will help students find solutions to systems of equations that they will see in Algebra I.
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Texas Instruments: The Study of Slope
This is a PROGRAM that can be used on any TI-8X+ There are 6 levels that takes the students through the process of checking their ability to recognize slope, calculate slope, form linear functions that satisfy given information.
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Texas Instruments: Take the Train
In this activity, students collect information about the stops made, time taken, and distance covered by a train on one of Amtrak's routes. They find a mathematical model that can best track the train. Students understand concepts...
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Texas Instruments: Math Today Challenge Heat Watch
Students will explore linear & quadratic functions to determine how they model the relationship between air temperature & heat index. Once the models are determined students will make predictions about heat index when given a...
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Texas Instruments: Slopes and Quadratic Functions
This set of questions pertains to linear and quadratic functions. Students must be able to compare the slopes of lines and translate the basic quadratic function. Questions are multiple choice and true/false; solutions are included.
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Texas Instruments: You Must Still Think Yourself, Cas Can Only Help
This activity illustrates the proof of having three zeros on a cubic function using CAS.
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Texas Instruments: Mix It Up: Combining Liquids of Different Temps
Students use the EasyTemp Probe to measure the temperature of hot and cold water before and after mixing. Students compare the mixing temperatures to a linear prediction. EasyData is needed for this activity.
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Texas Instruments: Sour Chemistry: The Exponential P H Change
In this activity, students' will use a pH sensor to record pH versus time data as an antacid tablet neutralizes acid in lemon juice. They will model the pH data with a modified exponential function.
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Texas Instruments: Women's 5000 M World Record Progression: Median Median Line
In this activity, students will collect the Women's 5000 meter progression of world record data and find the median - median line and the linear regression for the data. They will investigate the appropriateness of each of the models.
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Texas Instruments: Polynomial Addition, Subtraction
This StudyCard stack teaches that, when linear functions are added, the slope of the sum is equal to the sum of the slopes, likewise for y-intercepts. Includes quadratic and up polynomials.
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Texas Instruments: Writing Linear Functions With Traffic Tickets
Students can use traffic tickets to demonstrate their understanding of writing linear functions.
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Texas Instruments: Form a Line Using Ti Navigator
In this lesson concept we use the Activity Center to build some basics in students understanding of linear functions. The linear relationship is clearly one of the big ideas of the algebra curriculum, and it paves the way for a deeper...