Focus/Directrix Definition of Conics
This lesson involves observing and describing relationships between the focus and the directrix of each conic: parabolas, ellipses, and hyperbolas.https://education.ti.com/en/activity/detail/focusdirectrix-definition-of-conics
Graphing the Tangent to a Curve
Students will graph a function and the graph of the tangent line's slope as a point moves around the curve.https://education.ti.com/en/activity/detail/graphing-the-tangent-to-a-curve
The Slope of the Curve Where Two Points Meet
Students will enter a function and investigate the slope of the secant as it moves closer to becoming a tangent.https://education.ti.com/en/activity/detail/the-slope-of-the-curve-where-two-points-meet
Rational Roots of Polynomial Functions
In this activity, students apply the Rational Root Theorem in determining the rational roots of 4 polynomial functions. Results of the application of the theorem are compared to results obtained graphically to identify the presence of irrational roots.https://education.ti.com/en/activity/detail/rational-roots-of-polynomial-functions
When Is Tangent, tangent?
This activity combines the ideas of unit circle, and a line tangent to the unit circle to explain how Tangent (the trig. ratio) is related to the concept of tangent to a figure (from geometry). The intent is to briefly explore the mathematical history of the trigonometric ratio "tangent" through ...https://education.ti.com/en/activity/detail/when-is-tangent-tangent
Analyzing an Electricity Bill
This investigation guides the students through using a piecewise function to model an electric bill.https://education.ti.com/en/activity/detail/analyzing-an-electricity-bill
Cybersecurity 1: All Clear
Activity 1 introduces students to “cleartext” messaging. Students will send messages between two micro:bit radios on one of 83 radio channels using plaintext characters, referred to as cleartext. The “student hacker” will attempt to eavesdrop on the conversation by listeni...https://education.ti.com/en/activity/detail/cybersecurity-1
Solution 11942: Converting Mixed Numbers to Improper Fractions on the TI-83 Plus Family of Graphing Calculators.
...ion. If using the TI-84 Plus family and TI-Nspire handheld in TI-84 Plus mode with the latest operating system installed: 1) Press [ALPHA] [Y=] to access the FRAC menu. 2) Press [2] to select the Un/d function. 3) Input 1 and press [►]. 4) Input 3 and press [▼]. 5) Input 5 and press [►] [ENTER]...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11942
Solution 34494: Creating a Scatter Plot on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
.... Data for this example: L1: {7,2,4,2,5} L2: {8,4,6,2,7} To input data into the Stat List Editor: 1) Press [STAT] then [1] to select 1:Edit and access the Stat List Editor 2) Press 7 [ENTER] 2 [ENTER] 4 [ENTER] 2 [ENTER] 5 [ENTER] to enter the data in the L1 list 3) Press [→] to move to the ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34494
Solution 34495: Converting Mixed Numbers to Improper Fractions on the TI-84 Plus Family of Graphing Calculators.
...TI-84 Plus family of graphing calculators, follow the examples below. For Example: Convert 1 3/5 to an improper fraction. 1) Press [ALPHA] [Y=] to access the FRAC menu. 2) Press [2] to select the Un/d function. 3) Input 1 and press [Right Arrow] 4) Input 3 and press [Down Arrow]. 5) Input 5 and...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34495
Transformations: Dilating Functions
Dilate and reflect different types of function graphs by grabbing points.https://education.ti.com/en/activity/detail/transformations-dilating-functions
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
T³™ Regional Summit: Colorado| Texas Instruments
... topics of your choice. Receive TI technology and training materials given to you on site. Receive a Certificate of Attendance which may be accepted for school or district professional development credit. Teachers Teaching with Technology™ (T³™) professional development from Texas Instru...https://education.ti.com/en/t3-professional-development/for-teachers-and-teams/regional-summits/2025-south-texas-summit
Sail Problem (Parallel Lines & Segment Relationships)
In this activity, students will explore the proportional relationships involved in multiple parallel lines being cut by transversals. These relationships are approached through exploration of a sail design problem, where students are to find the lengths of pieces of fabric along the edge of a s...https://education.ti.com/en/activity/detail/sail-problem-parallel-lines--segment-relationships
Arrow- An Activiaty for Plotting Points
Students are given points to plot in activity center. The points will form an arrow. The teacher can then direct students to change the coordinates to translate the picture. Students practice plotting points, integer operations, and see transformations in one activity.https://education.ti.com/en/activity/detail/arrow-an-activiaty-for-plotting-points
Snowflake Points
Students will connect the centers of snowflakes with a line preferably by applying the point-slope formula.https://education.ti.com/en/activity/detail/snowflake-points
Pumpkin Graph - An Activity for Plotting Points
Students are given 3 - 4 points to plot in activity center. Students practice plotting points an can review the coordinate plane.https://education.ti.com/en/activity/detail/pumpkin-graph--an-activity-for-plotting-points
Linear Equations Jeopardy
This activity is designed as a review of linear equations. Students will review slope, functions, writing equations in slope-intercept form, and point-slope form.https://education.ti.com/en/activity/detail/linear-equations-jeopardy