Scaling the Geometry
This lesson involves scale drawings of actual images on the TI-Nspire handheld.https://education.ti.com/en/activity/detail/scaling-the-geometry
What's Your Story
This lesson involves reverse engineering of word problems.https://education.ti.com/en/activity/detail/whats-your-story
Measuring Segments and Angles
Students will explore the Angle Addition Postulate and the Segment Addition Postulate.https://education.ti.com/en/activity/detail/measuring-segments-and-angles
The Filly Zoo
During this activity, students are charged with the task of designing the shapes of the habitats of the animals that inhibit the Filly Zoo. The students are asked to use their TI-Nspire calculators to create geometric shapes, measure the dimensions of the shapes, and make informed decisions abou...https://education.ti.com/en/activity/detail/the-filly-zoo
The Mailbox
Student will use the Measurement tools found in the Geometry menu options or model the image using functions on the Graph pagehttps://education.ti.com/en/activity/detail/the-mailbox-mg
Composite Rectangular Figures
Students will find the perimeter and area of a composite rectangular figure. They will explain how to find the measures (lengths) of unknown sides as well as the area of the entire polygon by dividing the figure into smaller rectangular figures.https://education.ti.com/en/activity/detail/composite-rectangular-figures
Comparing Double Line Graphs and Box Plots
Students are given a data table and are asked to look at the double-line graph to understand the trends that they observe in regards to indoor and drive-in movie theaters. They are then asked to investigate the trends that are presented to them when a box plot is created with the same data. Stud...https://education.ti.com/en/activity/detail/comparing-double-line-graphs-and-box-plots
Solving Systems of Linear Equations with Row Reductions to Echelon Form on Augmented Matrices
This activity shows the user how to interpret a system of linear equations as an augmented matrix, row reduce the matrix to echelon form, and interpret the output to give a unique solution, generate infinite solutions, or conclude no solutions exist. The activity also shows how to check unique so...https://education.ti.com/en/activity/detail/solving-systems-of-linear-equations-with-row-reductions-to-echelon-form-on-augmented-matrices
NASA:Taking a Walk in the Neuroscience Laboratories
Within the Neuroscience Laboratories, many different functions are tested. For example, researchers in the Motion Laboratory focus on the post-flight disturbances in balance and gait control—areas with which many astronauts struggle. This laboratory develops training programs that will faci...https://education.ti.com/en/activity/detail/nasa--taking-a-walk
Secant/Tangent Line Connection
Students will explore a real situation by minimizing the distance between two points on a secant line; ultimately making a connection to the slope of the tangent line and the difference quotient. Students will explore this graphically, numerically, and analytically. An extension at the end allo...https://education.ti.com/en/activity/detail/secanttangent-line-connection
Law of Sines: The Ambiguous Case
A simple model is used to illustrate the various possibilities of the ambiguous case of the Law of Sines. Students manipulate the model to create each of the possible cases and then make conjectures about the relationship between the various given measurements and the number of possible triangle...https://education.ti.com/en/activity/detail/law-of-sines-the-ambiguous-case
From 0 to 180 - Rethinking the Cosine Law with Data
The goal of this activity is for students to experience a data-driven, inductive investigation leading to the cosine law. This could be used in addition to or instead of the traditional proof to deepen the understanding of the behavior of triangles and make the concepts more accessible to more s...https://education.ti.com/en/activity/detail/from-0-to-180--rethinking-the-cosine-law-with-data
Exploring the Cycloid Curve
The TI Nspire's animation feature is used to show how a point on a rotating circle creates the cycloid curve. Students then examine the parametric equation of the cycloid. Finally, students are tasked with going online to investigate the terms brachistochronous and tautochronous and their relat...https://education.ti.com/en/activity/detail/exploring-the-cycloid-curve
Cybersecurity 4- What's Your Password?
Building on the concepts learned in Activity 3, students will learn about obfuscating passwords through a method known as “hashing.” This security function shows students how a plaintext password can be scrambled and encrypted by a hashing function, such as SHA-256, in such a way that...https://education.ti.com/en/activity/detail/cybersecurity-4@-whats-your-password
Cybersecurity 5 - Turn the (Rainbow) Tables
Building on the concepts learned in Activity 4, it’s up to the student hacker to turn the tables by working out the method for hacking SHA-256 password encryption.The student hacker must search a rainbow table, which is comprised of precomputed hashes from known and frequently used password...https://education.ti.com/en/activity/detail/cybersecurity-5
Trigonometry Made Easy - Trial Edition
In Trigonometry Made Easy - Trial Edition, students will use TI-Nspire™ technology to explore common trig problems utilizing step-by-step processes.https://education.ti.com/en/activity/detail/trigonometry-made-easy-@-trial-edition
Modeling Basketball and Golf shots with Quadratics
Students learn the quadratic equation in vertex form by modeling President Obama shooting hoops. Then attempt to hit a hole-in-one on 3 holes of golf by determining the equation of the flight of the ball. The activity concludes with a 10-question quiz.https://education.ti.com/en/activity/detail/modeling-basketball-and-golf-shots-with-quadratics
Modeling Mantid Striking Distance
In this TI-Nspire activity, students investigate the relationship between how hungry a praying mantis (also called a “mantid”) is and the distance at which the praying mantis will strike (jump) at prey.https://education.ti.com/en/activity/detail/modeling-mantid-striking-distance_nspire
Modeling CO2 Levels
This activity uses data on monthly carbon dioxide (CO2) levels collected from the Mauna Loa Observatory in Hawaii. It provides an opportunity to engage students with data that is relevant to contemporary discussions of climate change.https://education.ti.com/en/activity/detail/modeling-co2-levels
Big Data Sets - CO2 Levels
Students can explore the data of the monthly mean amounts of carbon dioxide in the atmosphere measured in parts per million at Mauna Loa Observatory, Hawaii from 1958 to 2022.https://education.ti.com/en/activity/detail/exploring-data-@-co2-levels
Cybersecurity 6- Brute Force
Building on the concepts learned in Activity 5, the student hacker will now attempt a brute force attack to decrypt the hashed password. The students will observe the key differences between this and the rainbow table method.https://education.ti.com/en/activity/detail/cybersecurity-6
Cybersecurity 2 - Channel Surfing
Inspired by Hedy Lamarr’s revolutionary work, this activity builds on the concepts learned in Activity 1 and introduces students to frequency hopping. Students will learn the method of hiding radio messages by transmitting bits and pieces over several radio channels until an entire message ...https://education.ti.com/en/activity/detail/cybersecurity-2-@-channel-surfing
Transformational Geometry Summary - Lesson Bundle
In this interactive video lesson, students will explore translations, reflections, rotations, and dilations. The lesson gives students a chance to summarize their learning from the individual transformational geometry lesson bundles.  Check out our videos for this bun...https://education.ti.com/en/activity/detail/transformational-geometry-summary
Altitude to the Hypotenuse
Explore the relationship between the length of the altitude to the hypotenuse in a right triangle and the lengths of the two segments formed when this altitude intersects the hypotenuse.https://education.ti.com/en/activity/detail/altitude-to-the-hypotenuse
Light Me Up!
In this lesson, students will explore from a macroscopic level what actually occurs on the microscopic level when electrodes and a source of DC electricity are placed in a solution.https://education.ti.com/en/activity/detail/light-me-up