Proof of Identities
This lesson involves discovering, visualizing, and proving trigonometric identities.https://education.ti.com/en/activity/detail/proof-of-identities
Applications of Domain and Range
Determine domain and range in real-world situations. Writing and graphing equations to model problems. Recognize the meaning of domain and range in the real-world situations.https://education.ti.com/en/activity/detail/applications-of-domain-and-range
An Application of Parabolas
Students discover how the parameters of an equation of a parabola affect its graph and affect a real-world problem.https://education.ti.com/en/activity/detail/an-application-of-parabolas
Around the Vertex in 80 Days
Students move a quadratic function in the coordinate plane to specific points to observe how the vertex form of the equation changes.https://education.ti.com/en/activity/detail/around-the-vertex-in-80-days
Constant of Variation
Students explore how the constant of variation, k, affects the graph of direct and inverse variations.https://education.ti.com/en/activity/detail/constant-of-variation
Graphing Relationships
In this activity, students explore information about a graph based on the first and second derivatives. They learn that a function's derivative is positive when the function increases and negative when the function decreases. They learn that the second derivative is positive when the graph is con...https://education.ti.com/en/activity/detail/graphing-relationships
Factoring Composite Numbers
In this activity, students will review terms associated with prime factors, as well as practice factoring into a factor tree and the prime factorization into exponent form.https://education.ti.com/en/activity/detail/factoring-composite-numbers
The Box Method
Students discover how to factor a quadratic function using the Box Method.https://education.ti.com/en/activity/detail/the-box-method
Working Hard or Hardly Working?
Students analyze univariate and bivariate data. Questions are posed for discussion, further research, and algebraic problem solving.https://education.ti.com/en/activity/detail/working-hard-or-hardly-working_1
Zeros of a Quadratic Function Application
Students use quadratic functions to find the width of a deck surrounding a rectangular pool.https://education.ti.com/en/activity/detail/zeros-of-a-quadratic-function-application
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
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
Pi Song - Little Help
Solving literal equations with Pi. In this activity, students will explore formulae that have Pi in it. Animations and multiple choice, self-check questions, make this activity accessible to Algebra students. The equations make this activity of interest to geometry and physics classes for a short...https://education.ti.com/en/activity/detail/pi-song--little-help
2025 Confidence Counts Contest Rules | Texas Instruments
...ou can submit a 30-second or less video sharing a short story of how “TI helped you …” feel confident, successful or generally positive about math on Instagram, YouTube or Facebook using the hashtag #ConfidenceCountswithTI for a chance to win the following prize(s): A limited edition Gold TI-84 P...https://education.ti.com/en/promotion/confidencecountscontest/rules
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
Recursive Sequences
In this activity, students will use the sequence mode of the graphing calculator to generate recursive sequences and then examine the values. They will also write recursive sequence formulas for given sequences.https://education.ti.com/en/activity/detail/recursive-sequences_1
Area of the Missing Square
In this activity, students will be introduced to an area model for representing a quadratic equation. Students will explore the relationship between the value of b and c, in y = x2 + bx + c, form of the quadratic equation. The relationship will be examined with integer and non-integer values in o...https://education.ti.com/en/activity/detail/area-of-the-missing-square_1
Midsegments of Triangles
In this activity, students will explore the properties of the midsegment, a segment that connects the midpoints of two sides of a triangle. First, students will construct and investigate one midsegment and the relationship of the new small triangle to the original triangle. Then, all three midseg...https://education.ti.com/en/activity/detail/midsegments-of-triangles_1
Constructing Similar Triangles
Students investigate three different methods of constructing similar triangles.https://education.ti.com/en/activity/detail/constructing-similar-triangles
Points on a Perpendicular Bisector
Students will explore the relationship between a line segment and its perpendicular bisector. The concept of a point that is equidistant from two points is illustrated.https://education.ti.com/en/activity/detail/points-on-a-perpendicular-bisector
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
TI-89 Titanium Operating System
The new functionality includes domain and graphing improvements, solving inequalities, solving equations involving vectors, nth root and log to any base functionality, implicit derivatives and gradian angle measure. TI Connect™ for Windows® or TI Connect™ for Macintosh® is req......: Press F1 on your TI-89 Titanium Scroll down to About Press Enter You should see Advanced Mathematics Software Version 3.10 *Before you begin to install any new Apps or update your OS, be sure you have a new set of batteries in your TI handheld for optimum performance. *Installing OS 3.10 wi...https://education.ti.com/en/software/details/en/6633925F6176419197BF6CA051F5F7B4/89ti89tioperatingsystem
Continuity and Differentiability 1
Explore piecewise graphs and determine conditions for continuity and differentiability.https://education.ti.com/en/activity/detail/continuity-and-differentiability-1