REAL LIFE REAL WORLD - Avalanche Rescue
When hikers and skiers go into terrain with a risk of avalanches, they take safety equipment including avalanche rescue beacons. An avalanche rescue beacon sends and receives electromagnetic field signals that travel in circular patterns. The search pattern used to locate a beacon buried in the...https://education.ti.com/en/activity/detail/real-life-real-world--avalanche-rescue
REAL LIFE REAL WORLD Activity - Forestry
Forest industry professionals make measurements in their work using tools including the Clinometer and the Biltmore Stick. These tools are based on the concepts of similar triangles and trigonometric ratios in a right triangle. This activity uses Cabri Jr. Geometry software to model and solve f...https://education.ti.com/en/activity/detail/real-life-real-world-activity--forestry
Sin, Cos, and Tan of Right Triangles
In this activity, students explore a right angled triangle and its trigonometric concepts. They investigate the trigonometric ratios for the angles of the triangle.https://education.ti.com/en/activity/detail/sin-cos-and-tan-of-right-triangles
Special Parallelograms
In this activity, students will study special types of parallelograms like rhombus and rectangle, and investigate properties related to their diagonals.https://education.ti.com/en/activity/detail/special-parallelograms_1
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
Candy Pieces
Students use a chi-square test for goodness-of-fit to determine if there is a significant difference between the proportions they find in the sample, and the proportions they would expect if the manufacturer produced equal proportions of each color.https://education.ti.com/en/activity/detail/candy-pieces
Binomial Simulation Lab - Using ProbSim App
Binomial simulation using TI-83+ or TI-84+ graphing calculators. Students will use the Probability Simulation application on the calculator to simulate Eric Gordon shooting free throws. TI-Navigator™ instructions are also included.https://education.ti.com/en/activity/detail/binomial-simulation-lab--using-probsim-app
Areas of Regular Polygons and Circles
Use Cabri Jr. to find the area of several regular polygons and then use that investigation to derive the area of a circle from a many sided polygon.https://education.ti.com/en/activity/detail/areas-of-regular-polygons-and-circles
Sequence of Bounces Activity - Modeling Motion
This activity serves as a follow-up to Activity 12 in the Explorations book, Modeling Motion: High School Math Activities with the CBR by Linda Antinone, Sam Gough, and Jill Gough (Texas Instruments Incorporated, 1997).https://education.ti.com/en/activity/detail/sequence-of-bounces-activity--modeling-motion
Measuring Polygons - An Introduction to Cabri Jr.
This activity is designed as an intoduction to using the Carbr Jr. application on the TI-83+/84+ calculators. Students are guided through the menu system and are shown how to draw triangles, quadrilaterals and and a pentagon. Perimeter and angle measurements are also explained. The activity leads...https://education.ti.com/en/activity/detail/measuring-polygons--an-introduction-to-cabri-jr
Proof of Identity
Students use graphs to verify the reciprocal identities. They then use the calculator's manual graph manipulation feature to discover the negative angle, cofunction, and Pythagorean trigonometric identities.https://education.ti.com/en/activity/detail/proof-of-identity
Winning Inequalities (Part 2)
Students graph systems of linear inequalities and investigate the concepts of constraints and feasible polygons.https://education.ti.com/en/activity/detail/winning-inequalities-part-2
Unit Circle
Students discover the relationship between the trigonometric functions sine, cosine, and tangent and the side length ratios of a right triangle.https://education.ti.com/en/activity/detail/unit-circle
Trigonometric Identities
Students will verify, prove, and explore trigonometric identities symbolically, numerically, and graphically.https://education.ti.com/en/activity/detail/trigonometric-identities
Approximation of Pi Using an Area Model
Students will approximate pi by setting up trigonometric ratios and calculating the areas of regular polygons inscribed within and circumscribed about a circle.https://education.ti.com/en/activity/detail/approximation-of-pi-using-an-area-model
Background Images with Navigator Activity Center
This is a collection of activities using the Navigator Activity Center. Each activity has a background image, activity settings, and two list (L1 is x-coordinates and L2 is y-coordinates.) There are two Word documents. The first explains how to create these activities using TI-Connect and Act...https://education.ti.com/en/activity/detail/background-images-with-navigator-activity-center
Investigating the Sine and Cosine Functions
Students use Cabri? Jr. to draw a circle and investigate the relationship between the coordinates of a point on the circle and sine and cosine of the angle whose terminal side passes through that point. NY State Algebra 2 & Trigonometry Standards covered: PS.3, PS.4, RP.2, CN.1, CN.2, A.55, A.5...https://education.ti.com/en/activity/detail/investigating-the-sine-and-cosine-functions
Absolutely Wonderful
The activity uses Cabri Jr. and TI-Navigator™ to explore the angle between the branches of an absolute value function. By the end of the activity, absolute value functions will be connected to trigonometry. This activity can be used in an algebra 2/pre-calculus course where students are already...https://education.ti.com/en/activity/detail/absolutely-wonderful
Computing by Degrees!
Students use the calculator to solve trigonometry problems using sine, cosine, and tangent. They also find inverses of trigonometric functions.https://education.ti.com/en/activity/detail/computing-by-degrees
Can Pythagoras Swim?
Students will investigate relationships between sides of right triangles to understand the Pythagorean theorem and then use it to solve problems. Students will simplify expressions using radicals and exponents in this activity.https://education.ti.com/en/activity/detail/can-pythagoras-swim_1
Proof of Identities
This lesson involves discovering, visualizing, and proving trigonometric identities.https://education.ti.com/en/activity/detail/proof-of-identities
Trigonometric Proofs
Students will perform trigonometric proofs and use the graphing capabilities of the TI-Nspire for verification.https://education.ti.com/en/activity/detail/trigonometric-proofs
Enter the Confidence Counts Contest | Texas Instruments
Are you a math sigma? Tell us your story in the Confidence Counts Contest. You could win a gold TI-84 Plus CE "Swagulator" and TI Calculator Plushy! Enter the Confidence Counts Contest | Texas Instruments global website ...https://education.ti.com/en/promotion/confidencecountscontest
Trigonometric Patterns
Students will use the unit circle to examine patterns in the six trigonometric functions.https://education.ti.com/en/activity/detail/trigonometric-patterns
5 Springtime Math Resources for Teachers | Texas Instruments
...lections of math board decor freebies! Check out some of Kathleen’s free downloads on her TPT store. You can Spring Into Math with this freebie design. Know It’s a Good Day To Do Math and decorate for spring. Go BIG with rainbows and calculators from the Back To School ...https://education.ti.com/en/bulletinboard/2025/fresh-spring-ideas