Ratio of Areas
In this activity, students use the CellSheet™ Application to determine geometric ratios of areas. Students determine the position of the vertices of a square that has all four vertices on the sides of a larger square and has a specified area. They also learn how quadratic functions can model geom...https://education.ti.com/en/activity/detail/ratio-of-areas
Measuring Angles in a Triangle
In this activity, students learn about the sum of the angles in a triangle. They understand triangles and their interior angles. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathematical arguments about geometric relat...https://education.ti.com/en/activity/detail/measuring-angles-in-a-triangle
Midpoint of a Segment
Students review the basic geometry definitions of segment and midpoint, and learn to use drawing and measurement tools. They explore changes in measurements as the figure is altered. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes a...https://education.ti.com/en/activity/detail/midpoint-of-a-segment
Drawing and Measuring an Angle
Students learn to use drawing and measurement tools to measure angles. They explore and review types of angles as their measurements are altered. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathematical arguments abo...https://education.ti.com/en/activity/detail/drawing-and-measuring-an-angle
Measuring Angles in a Quadrilateral
In this activity, use an interactive, and investigative approach to determining the sum of the interior angles of a quadrilateral. They use Cabri™ Jr. to draw, measure, and calculate the characteristics of the angles of quadrilaterals. NCTM Geometry Standard covered: Analyze characteristics and p...https://education.ti.com/en/activity/detail/measuring-angles-in-a-quadrilateral
Modeling Probabilities
Students use simulations and graphs to explore what happens when the number of trials of a binomial experiment becomes a large number.https://education.ti.com/en/activity/detail/modeling-probabilities
Conserving Energy
Students will find both the kinetic and potential energies as the cart rolls down the ramp. They will find the sum of the two energies, and show that this value is constant at all times.https://education.ti.com/en/activity/detail/conserving-energy
So Many Zeros!
Students will explore standard and scientific notation representations of numbers. Students will also discuss the need for different representations of very large or small numbers, and they will see real-world examples of these representations.https://education.ti.com/en/activity/detail/so-many-zeros_1
The First Twelve Days of School
Students learn to organize data, look for patterns, and solve problems. They will count the number of "coins" in a variation of The Twelve Days of Christmas song. They will also generalize the patterns through symbolic expressions.https://education.ti.com/en/activity/detail/the-first-twelve-days-of-school
Organizer App for the TI-89 Titanium
An electronic calendar, to-do list maker and address book right at your fingertips!An electronic calendar, to-do list maker and address book right at your fingertips! Students can use their calculator to: Manage class schedules Create to-do task lists Save email addresses and phone numbers Access a yearly, weekly and daily calendar In addition, the Org...https://education.ti.com/en/software/details/en/B923170F673847198159A50A990A142F/89organizer
The Dirty Dawg Salon
In this activity, students will work through a scenario of a business venture involving washing dogs. They will translate fixed and variable costs to a cost function and make a decision about how much to charge to wash per dog. When the break-even point is found, students must interpret it to ans...https://education.ti.com/en/activity/detail/the-dirty-dawg-salon
Midpoint Quadrilateral
This problem presents an opportunity for students to think about properties of quadrilaterals, and also to work on confirming observations through geometric reasoning. If your state has adopted the Common Core State Standards, this alignment might be helpful: Geometry: Prove Geometric Theorems G....https://education.ti.com/en/activity/detail/midpoint-quadrilateral
Comparing Exponential and Power Functions
Students will be able to use various graphical representations to determine which of two functions is greater for large values of x.https://education.ti.com/en/activity/detail/comparing-exponential-and-power-functions
Let the Sun Shine
Students will explore daylights times of cities at different latitudes. They will create a scatterplot of the data and then find the cosine equation that matches the data. This should be worked in groups of 4, each student choosing a city of a different latitude. An extension at the end would ...https://education.ti.com/en/activity/detail/let-the-sun-shine
Exploring Linear Relationships -- Stacking Cups and Walking Rates
In this activity, students will explore several examples of linear relationships. They will use a table to organize data that they collect and will make graphs to display that data. Students are prompted to write equations and interpret slope as a rate of change.https://education.ti.com/en/activity/detail/exploring-linear-relationships--stacking-cups-and-walking-rates
Alternating Series
Students will use the capabilities of their handhelds to find limits and compare two series to determine if the alternating series converges or diverges. Then students will approximate the sum of an alternating series by using a table to find partial sums and using the Alternating Series Remainde...https://education.ti.com/en/activity/detail/alternating-series_1
Solution 37275: Troubleshooting a TI-Nspire CX or TI-Nspire CX CAS Calculator That Will Not Turn On, Charge or Function Properly.
Solution 37275: Troubleshooting a TI-Nspire CX or TI-Nspire CX CAS Calculator That Will Not Turn On, Charge or Function Properly. "ti-nspire cx don't work", "dead TI-Nspire", "TI-Nspire doesn't work" Solution 37275: Troubleshooting a TI-Nspire CX or TI-Nspire CX CAS Calculator That Will Not T...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/troubleshooting-messages-unexpected-results/37275
Solution 33711: Best Care Practices for TI Products With a TI Rechargeable Battery.
Solution 33711: Best Care Practices for TI Products With a TI Rechargeable Battery. 33711 Best Care Practices Products With Rechargeable Battery, Rechargeable Battery, Graphing calculator with battery Solution 33711: Best Care Practices for TI Products With a TI Rechargeable Battery. glo...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/33711
Solution 37295: Troubleshooting a TI-84 Plus CE or TI-84 Plus C Silver Edition That Will Not Turn On, Charge, Function Properly, Displays a “Validating Operating System…” Message or Flashes White.
Solution 37295: Troubleshooting a TI-84 Plus CE or TI-84 Plus C Silver Edition That Will Not Turn On, Charge, Function Properly, Displays a “Validating Operating System…” Message or Flashes White. "turn on", ti84, "84 will not function" Solution 37295: Troubleshooting a TI-84 Plus CE or TI-84...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37295
7 Helpful Tips for Calculator Management in Your Classroom
Here are 7 tips to help your classroom calculators stay organized and always within reach of young math minds. 1: Mobile Math Cart If you’re jumping from room to room, or just around the room, a mobile math cart is an easy plug-and-play solution for calculator storage and quick cha...https://education.ti.com/en/bulletinboard/2025/calculator-storage-ideas
Taylor Polynomials
Students learn to define a Taylor polynomial approximation to a function f of degree n about a point x = a. They also learn to graph convergence of Taylor polynomials. They use Taylor polynomials to approximate function values.https://education.ti.com/en/activity/detail/taylor-polynomials_1
Estimating a Population Proportion
Students find the confidence interval for a population proportion by first finding the critical value and the margin of error. They find confidence intervals for real-life scenarios and use those intervals to make a judgment about a claim. Finally, they use two formulas for finding the required s...https://education.ti.com/en/activity/detail/estimating-a-population-proportion_1
Modeling Probabilities
This activity approaches probability distributions as functions taking information about a dataset as inputs and outputting a set of probabilities. This is analogous to the familiar process of choosing a function to model a set of x-y pairs. Students use simulations to explore increasing number o...https://education.ti.com/en/activity/detail/modeling-probabilities_1
The Core
In this lesson, students will analyze fossil characteristics and similarities between organisms to determine relative dating of fossils.https://education.ti.com/en/activity/detail/the-core
Exploring Energy Transfer
In this lesson, students will explore thermal energy transfer and the relationship between heat, mass, specific heat, and temperature change in a system.https://education.ti.com/en/activity/detail/exploring-energy-transfer