Run me a Linear Regression
This activity is designed to give students the opportunity to estimate the least squares line given a set of points. The students are then able to check their "best fit" line by running a linear regression using the graphing calculator.https://education.ti.com/en/activity/detail/run-me-a-linear-regression
What is Linear Regression?
In this activity, students will explore finding the line of best fit based on the sum of the squares of the residuals and determine what the linear regression line is.https://education.ti.com/en/activity/detail/what-is-linear-regression
NUMB3RS - Season 2 - "Soft Target" - Are You Sure?
In "Soft Target," Charlie uses Linear Discriminant Analysis (LDA), a multiple regression method, to predict the next terrorist attack. This method, like many others used to predict events, may use a tree diagram to visualize possibilities. The use of tree diagrams is seen in probability.https://education.ti.com/en/activity/detail/numb3rs--season-2--soft-target--are-you-sure
Describing Bivariate Data (Two Quantitative Variables)
Students explore the relationship between two quantitative variables in bivariate data using various x-y plots. They compare the relationships for several categories on the same plot. Students calculate the correlation coefficient to measure the strength and direction of the linear relationship t...https://education.ti.com/en/activity/detail/describing-bivariate-data-two-quantitative-variables
Math TODAY: Dangerous Births
Using the USA TODAY® Snapshot "Dangerous Births," students will explore the geometric relationships of triangles using perpendicular bisectors of the sides, bisectors of the angles and medians of the triangle. They will explore the three concurrent lines formed that pass through a single point. S...https://education.ti.com/en/activity/detail/math-today-dangerous-births
Discovering Pi
Students will measure the circumference and diameter of round objects. They will send in their measurements through TI-Navigator™ and discover the relationship between the circumference and diameter. Students will note why all points do not lie exactly on the line y=PIx. Then students will use ...https://education.ti.com/en/activity/detail/discovering-pi
Exploring the Orthocenter of a Triangle
In this activity, students use the Cabri™ Jr. tools to draw altitudes in a triangle. They construct a line perpendicular to a given line and through a given point. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathemat...https://education.ti.com/en/activity/detail/exploring-the-orthocenter-of-a-triangle
Are There Any Seats Left
This activity allows students to use a simulation to understand why airline companies routinely overbook flights.https://education.ti.com/en/activity/detail/are-there-any-seats-left
Got parallel lines with corresponding angles congruent? with Cabri Jr.
Construct parallel lines in Cabri Jr., and students label and check if all corresponding angles are congruent.https://education.ti.com/en/activity/detail/got-parallel-lines-with-corresponding-angles-congruent-with-cabri-jr
Geometry: Parallel and Perpendicular Slopes
This activity will help students understand the relationship between the slopes of parallel and perpendicular lines.https://education.ti.com/en/activity/detail/geometry--parallel-and-perpendicular-slopes
Investigating Segments in a Triangle
In this activity, students investigate the midsegments of a triangle as in the previous activity. They continue to explore these segments and extend their understanding of the relationships that exist between the slopes of lines containing the segments. NCTM Geometry Standard covered: Analyze ch...https://education.ti.com/en/activity/detail/investigating-segments-in-a-triangle
Loans and Mortgages
In this activity, students perform financial computations, involving loans, their repayment and mortgages used as security for the repayment of a loan.https://education.ti.com/en/activity/detail/loans-and-mortgages
Placement of Lines
Using Activity Center, students will submit equations of lines that are parallel, perpendicular, intersecting but not perpendicular or coincident to the given line. Lines from Activity Center appear both on the screen and the graphing calculator.https://education.ti.com/en/activity/detail/placement-of-lines
Points, Lines and Slopes (Oh My!) - 84
In this activity students will explore the relationship between coordinates of points and locations on the coordinate plane, the relationships of lines with their equations, slopes and y-intercepts, and lastly, the slopes of parallel and perpendicular lines.https://education.ti.com/en/activity/detail/points-lines--slopes-oh-my@84@ib
Intersecting Lines and Vertical Angles
In this activity, students visualize and explore the angles that are formed when two lines intersect. By measuring angles formed by intersecting lines, they enhance their understanding of vertical angles, supplementary angles, and a linear pair. NCTM Geometry Standard covered: Analyze characteris...https://education.ti.com/en/activity/detail/intersecting-lines-and-vertical-angles
Polynomial Addition, Subtraction
This StudyCards™ 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. Use with Foundations for College Mathematics, Ch. 3.2.https://education.ti.com/en/activity/detail/polynomial-addition-subtraction
Perpendicular Slopes
Students investigate the "negative reciprocal" relationship between the slopes of perpendicular lines. The final phase of the activity is appropriate for more advanced students as they are led through an algebraic proof of the relationship.https://education.ti.com/en/activity/detail/perpendicular-slopes_1
Slope and Learning Check Docs
The is a collection of various LearningCheck Documents for use with Slope and Equation of a Linear Function for algebra.https://education.ti.com/en/activity/detail/slope-and-learning-check-docs
Classifying Quadrilaterals
Students will be sent ordered pairs through lists using the TI-Navigator™. These pairs will then be graphed as a line graph and students will classify the shape of the quadrilateral and justify their choice.https://education.ti.com/en/activity/detail/classifying-quadrilaterals
Scatter plots and Linear Regression
This activity is designed to introduce students to using the STAT function of the calculator to determine the equation for a line of best fit.https://education.ti.com/en/activity/detail/scatter-plots-and-linear-regression
Solve Linear Equation
This StudyCards™ set begins with "what is an equation?" and continues with solving linear equations using the graph of the related linear function(s), the trace and zeros methods. Use with Foundations for College Mathematics, ch. 5-1.https://education.ti.com/en/activity/detail/solve-linear-equation
Maximizing Your Efforts
Students use linear programming to solve problems involving maximum and minimum values. They use the Inequality Graphing application to solve linear programming problems.https://education.ti.com/en/activity/detail/maximizing-your-efforts
Linear Equations Given Two Points
Given two points, the students will submit linear equations that pass through the points, using the TI-Navigator™ system. The teacher can evaluate student answers as they are submitted. The Activity can be paused at any point for the teacher to discuss the various equations that are submitted.https://education.ti.com/en/activity/detail/linear-equations-given-two-points
Inverses of Functions
Students explore three ways to find the inverse of a function. First, students graph two scatter plots and find the line of reflection. Then, they will graph a line and use the x- and y-intercepts to create the graph of the inverse.https://education.ti.com/en/activity/detail/inverses-of-functions_1
Lines, Models, CBR - Let's Tie Them Together (Electronic Format Only)
In this activity, students use a motion detector to collect "linear" motion data and examine the relationship between a physical action and a mathematical and/or graphic model of that action. The students will use the "eyeball" method to find the mathematical model.https://education.ti.com/en/activity/detail/lines-models-cbr--lets-tie-them-together-electronic-format-only