Ratios of Similar Triangles
Students explore two ways of comparing side lengths of similar triangles. They will calculate ratios and change the triangles to see how the ratio changes.https://education.ti.com/en/activity/detail/ratios-of-similar-triangles
Chirp, Jump, Scatter
Students will find a best fit line for data graphed as scatter plots.https://education.ti.com/en/activity/detail/chirp-jump-scatter
Ride the Rollercoaster
In this activity, students will use polynomial regression to develop and assess the fit of equations modeling data. The equation models are then evaluated for reasonableness in their use for extrapolating beyond the given data sets.https://education.ti.com/en/activity/detail/ride-the-rollercoaster_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
Linear Transformations
This lesson involves linear transformations from R2 to R2 represented by matrices. Note: R2 = R x R represents the set of all pairs of real numbers.https://education.ti.com/en/activity/detail/linear-transformations
Breaking Up is Not Hard to Do
Students split rational functions into sums of partial fractions.https://education.ti.com/en/activity/detail/breaking-up-is-not-hard-to-do
Limacon Curve
In this activity, students will observe different graphs of polar limaçon curves. Students will discover four different types of limaçon curves and their relationship to the ratio of a to b.https://education.ti.com/en/activity/detail/limacon-curve
Investigating the Derivatives of Some Common Functions
In this activity, students will investigate the derivatives of sine, cosine, natural log, and natural exponential functions by examining the symmetric difference quotient at many points. They develop the idea of the derivative as a function. They gather evidence toward some common derivative for...https://education.ti.com/en/activity/detail/investigating-the-derivatives-of-some-common-functions
A Linear Picture
Students will use lines to create a picture.https://education.ti.com/en/activity/detail/a-linear-picture
One Step at a Time
Students solve one-step equations involving addition and multiplication by substituting possible values of a variable.https://education.ti.com/en/activity/detail/one-step-at-a-time
Order Pears
In this activity, students will interactively investigate ordered pairs. They will graphically explore the coordinates of a point on a Cartesian plane, identifying characteristics of a point corresponding to the coordinate. Students will plot ordered pairs of a function, list these in a table of ...https://education.ti.com/en/activity/detail/order-pears_1
Testing for Truth
Students identify whether points lie within a shaded region that is bounded by linear inequalities.https://education.ti.com/en/activity/detail/testing-for-truth
Tri This!
Students investigate linear equations that form a triangle and determine which vertex is a solution to a system of equations.https://education.ti.com/en/activity/detail/tri-this_1
Application of Slopes
Students will apply the concept of slope to a real-world problem about building a staircase. They will use the slope ratio, vertical change over horizontal change, to find the slope of staircase. Then, students will recognize how a positive or negative slope applies in a real-world situation.https://education.ti.com/en/activity/detail/application-of-slopes
Applications of Parabolas
In this activity, students will look for both number patterns and visual shapes that go along with quadratic relationships. Two applications are introduced after some basic patterns in the first two problems.https://education.ti.com/en/activity/detail/applications-of-parabolas_1
Beat the System
This can be used as an introduction to Systems of Equations. Students can work in groups or alone. They are shown graphs of the three different types of systems of equations and then asked to write equations of lines to create another set of systems.https://education.ti.com/en/activity/detail/beat-the-system
The "Great Pyramid" - Rate of Change
Students will explore different rates of change. Using the TI-Nspire students will be expected to make predictions based upon information that a Pharaoh has given. Students will explore points in a scatter plot of time and height on the building of a pyramid in ancient times. They will calcula...https://education.ti.com/en/activity/detail/the-great-pyramid--rate-of-change
Slope, Midpoint and Distance
The student will interact with a line segment and will report various conditions on a handout. Positive, negative slope, distance, and midpoints will dynamically calculate as the student drags either endpoint around.https://education.ti.com/en/activity/detail/slope-midpoint-and-distance
Here's Looking At Euclid
Students first use the familiar prime factorization method to calculate the GCD and LCM of two numbers. Second, they apply Euclid’s algorithm, an iterative process for finding the GCD, in conjunction with a formula for the LCM given the GCD. In order to use the algorithm, they must first grasp th...https://education.ti.com/en/activity/detail/heres-looking-at-euclid
Introduction to Absolute Value
In this activity students will explore the definition of absolute value using a number line, plot points to graph y = |x|, and use sliders to perform transformations with absolute value functions.https://education.ti.com/en/activity/detail/introduction-to-absolute-value
Celebrate Pi Day With Unlimited Fun | Texas Instruments
... Are you a fan of the TI-Nspire™ CX II graphing calculator? If so, we have some extra insPIration just for you! Here are two of our favorites: Comparing Pi and Roots In this middle school math activity, students explore how the Pythagorean Theorem and the circumference of a circle can be...https://education.ti.com/en/bulletinboard/2025/celebrate-pi-day
NASA - An Astronaut in Motion
To better understand how astronauts function in their suits and their environment, researchers at NASA Johnson Space Center’s Anthropometry and Biomechanics Facility (ABF) are studying motor control and evaluating human physical measurement, variation, and movement. To study human movement, ABF r...https://education.ti.com/en/activity/detail/nasa--an-astronaut-in-motion
Are You Normal Size?
Students use established body proportions to see if their own proportions are normal.https://education.ti.com/en/activity/detail/are-you-normal-size
Basic Trigonometric Transformations
This lesson involves manipulating sliders to change the values of parameters in trigonometric functions and determining the effect that each change has upon the shape of the graph.https://education.ti.com/en/activity/detail/basic-trigonometric-transformations