Circles in the Plane
In this activity, students will use the Cabri™ Jr. application to explore circles in a plane. They will investigate the relationship between the equation of a circle, the length of its radius, and the coordinates of its center.https://education.ti.com/en/activity/detail/circles-in-the-plane
Circumcenter and Incenter
In this activity, students examine the location of the circumcenter and incenter for different triangles.https://education.ti.com/en/activity/detail/circumcenter-and-incenter
Circumscribing a Circle About a Triangle
In this activity, students use the distance of the circumcenter of a triangle to each vertex of the triangle as the radius and draw a circle using the circumcenter as the center. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and de...https://education.ti.com/en/activity/detail/circumscribing-a-circle-about-a-triangle
Radius, Diameter, and Circumference of a Circle
In this activity, students will learn the basic concepts of the circle. They explore the relationship between the diameter and the radius, and between the diameter and circumference of a circle. They also get familiar with the Greek symbol π (pi).https://education.ti.com/en/activity/detail/radius-diameter-and-circumference-of-a-circle
Watching Your Weight - TI-83
In this activity, students examine how moving a weight up along a board affects the downward force on the board. They explore how children with different weights can be balanced on a seesaw.https://education.ti.com/en/activity/detail/watching-your-weight--ti83
Concurrency & the Circumcenter
In this activity, students will explore the perpendicular bisectors of the sides of a triangle. Students will discover that the perpendicular bisectors are concurrent and that the point of concurrency is the circumcenter. Students should discover the relationship between the type of triangle and ...https://education.ti.com/en/activity/detail/concurrency--the-circumcenter_1
REAL LIFE REAL WORLD Activity: Archeologist Frieze Patterns
Archeologists, when classifying artifacts, often take note of the physical properties or attributes of artifacts, such as the materials from which the artifacts are made, and their size, shape, function, and decoration. Friezes are often seen as ornaments in architecture. Frieze patterns can be f...https://education.ti.com/en/activity/detail/real-life-real-world-activity-archeologist-frieze-patterns
Measurement and Linear Regression
In this activity, students will collect data by measuring line segments in both inches and centimeters. Students will plot the data, find the equation of the regression line and interpret the slope and y-intercept within the context of the exploration. Slope as a rate of change will be emphasi...https://education.ti.com/en/activity/detail/measurement-and-linear-regression
Grandparents and Special Friends Day
This lesson was designed for our Grandparents and Special Friends day. It can be used for any visitation day, or an open house. The lesson is designed to review percent of a whole and the sector of the circle representing the percentage. Although circle graphs can be created in a spreadsheet prog...https://education.ti.com/en/activity/detail/grandparents-and-special-friends-day
Lets Gather Round the Circle
The students will measure the diameter and circumference of various round objects. They will discover the relationship between the circumference and diameter.https://education.ti.com/en/activity/detail/lets-gather-round-the-circle
Linear Equations for Which the Sum of the Coordinates is Constant
...tor to see the results of the entire class, students can determine that an oblique line is formed from such points. This oblique line always has intercepts equal to the constant sum. The Learning Check enables the teacher to get immediate feedback from the students, thus giving opportunities to...https://education.ti.com/en/activity/detail/linear-equations-for-which-the-sum-of-the-coordinates-is-constant
Is there a relationship between your fist and shoe size?
Students will measure the circumference of their fist and list their shoe size. The lists will be loaded using TI-Navigator™ in the activity center.https://education.ti.com/en/activity/detail/is-there-a-relationship-between-your-fist-and-shoe-size
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
Linear Force: May the Force be With Us
Using the TI-Navigator, students will send linear equations with STAR WARS movie pictures in the background. Focus on slope and y-intercept with linear lightsabers.https://education.ti.com/en/activity/detail/linear-force-may-the-force-be-with-us
y=ax Activity
This activity, inspired by a similar activity in a Texas Instrument guidebook, has served to be very useful in helping students develop concepts of slope and y-intercept.https://education.ti.com/en/activity/detail/yax-activity
Getting Started with Conic Graphing App
The Conic Graphing Application provides enhanced conics functions to the already powerful TI-83 Plus and TI-84 Plus. Graph or trace circles, ellipses, hyperbolas, and parabolas and solve for the conic's characteristics. Present equations in function, parametric, or polar form.https://education.ti.com/en/activity/detail/getting-started-with-conic-graphing-app
How Many Drivers? Investigate the Slope-Intercept Form of a Line
In this activity, students will be introduced to the slope-intercept form of a linear equation. They will recognize the effects of changes in the slope and y-intercept on the graph of a line. Students will use the Transformation Graphing application to find an approximate linear model of the actu...https://education.ti.com/en/activity/detail/how-many-drivers-investigate-the-slopeintercept-form-of-a-line
How Many Drivers? Investigating the Slope-Intercept Form of a Line
In this activity, students will be introduced to the slope-intercept form of a linear equation. They will recognize the effects of changes in the slope and y-intercept on the graph of a line. Students will use the Transformation Graphing application to find an approximate linear model of the actu...https://education.ti.com/en/activity/detail/how-many-drivers-investigating-the-slopeintercept-form-of-a-line
Motorcycle Jump
This activity presents a scenario in which a motorcycle rider jumps off a ramp and travels along a quadratic path through the air.https://education.ti.com/en/activity/detail/motorcycle-jump_1
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. Download at www.TomReardon.com Click on Downloads.https://education.ti.com/en/activity/detail/the-phone-bill-problem
Taxes & Tips
Students explore the taxes and tips percentages commonly used in stores and restaurants. They will first develop the pattern of converting a percent to a decimal.https://education.ti.com/en/activity/detail/taxes--tips_1
Evaluating Expressions
Students will evaluate expressions using pencil and paper and then use the editing features of the home screen and/or the table feature of the TI-83 Plus to provide immediate positive reinforcement.https://education.ti.com/en/activity/detail/evaluating-expressions
FACTORED POLYNOMIALS
The students will identify x-intercepts of polynomials and then write their own equations for polynomials.https://education.ti.com/en/activity/detail/factored-polynomials
Fill up the tank!
Demonstrate the concept of slope and y-intercept in the slope-intercept form of linear equation using water and marbles.https://education.ti.com/en/activity/detail/fill-up-the-tank
Approximation of Pi
Students will measure the circumference and diameter of a variety of different circles. They will graph the class' values of (d,c) on the coordinate plane and use linear regression to approximate pi.https://education.ti.com/en/activity/detail/approximation-of-pi