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
Advanced Algebra Nomograph
This activity is similar to a function machine. The nomograph is comprised of two vertical number lines, input on the left and output on the right. The transformation of input to output is illustrated dynamically by an arrow that connects a domain entry to its range value. Students try to find th...https://education.ti.com/en/activity/detail/advanced-algebra-nomograph
Simple Calculator Tips for Algebra 2 | Texas Instruments
...f2). Select option 5: logBASE(. This gives you the option for logarithm with any base, but take a look at those other functions because they may come in handy one day! 3. Using Y-VARS to Evaluate a Function One of my favorite “hacks” I use in my Algebra 2 class...https://education.ti.com/en/bulletinboard/2024/simple-easy-calculator-tips-algebra2-concepts
Graphing Transformations
Combine movement and mystery while graphing transformation and piecewise functions.https://education.ti.com/en/activity/detail/graphing-transformations
Area of Rectangles with Fixed Perimeter
The students will construct several rectangles with different dimensions, all having the same perimeter. The area of each rectangle is then computed and plotted against the width of each rectangle. The students will discover that the area is a quadratic function of the width. They will also dis...https://education.ti.com/en/activity/detail/area-of-rectangles-with-fixed-perimeter
Financial Mathematics
We at COMAP have a free download course in financial mathematics, with emphisis on personal finance, for upper high school and undergraduate college. The course includes extensive code for the TI83/84. To see the course, go to COMAP.com, register, and COMAP will e-mail your a password. An art...https://education.ti.com/en/activity/detail/financial-mathematics
Trig Ratios - Exploring Sine, Cosine and Tangent
Using the Cabri Jr. App and the 83+/84+ calculators, student will explore and calculate the various trig ratios. This is an easy construction that and allow plenty of time of exploration and completion of the worksheet questions in class.https://education.ti.com/en/activity/detail/trig-ratios--exploring-sine-cosine-and-tangent
Plinko - Frequency Plots and Experimental Probability
In this activity, students simulate the Plinko game from the TV show "The Price Is Right", then use Navigator to share their results for the class. A frequency plot of class results is constructed, and conjectures made as to the experimental probability of winning the big money in this game. Th...https://education.ti.com/en/activity/detail/plinko--frequency-plots-and-experimental-probability
Taxicab Geometry
Students begin a study of taxicab geometry by discovering the taxicab distance formula. They then use the definition of radius to draw a taxicab circle and make comparisons between a circle in Euclidean geometry and a circle in taxicab geometry. Lastly, they construct taxicab perpendicular bisect...https://education.ti.com/en/activity/detail/taxicab-geometry_1
Triangle Inequality Theorem
In this activity, students will explore the concepts underlying the Triangle Inequality Theorem by comparing side lengths and angle measures of a triangle. They will use an interactive construction to see why this theorem is true.https://education.ti.com/en/activity/detail/triangle-inequality-theorem_1
Measure Up
Students compare their height with the average height of students in the classroom. They create histograms to analyze the data, and construct boxplots to summarize the height statistics.https://education.ti.com/en/activity/detail/measure-up_1
NUMB3RS - Season 2 - "Better or Worse" - Creating Random Numbers
Random numbers are used every day in many different ways. Banks use random numbers to make codes to send information over the internet; lotteries use random numbers to choose winners; computer games use random numbers to determine what will happen next. Depending on their use, it may be important...https://education.ti.com/en/activity/detail/numb3rs--season-2--better-or-worse--creating-random-numbers
NUMB3RS - Season 2 - "Toxin" - How Hard Can It Be?
In "Toxin," the FBI tracks a serial poisoner who uses contaminated drugs. In this activity, the FBI intercepted an encrypted message they believe contains a phone number that could lead to an "insider" who may be helping the poisoner. Don suggests using a computer to start trying to break the cod...https://education.ti.com/en/activity/detail/numb3rs--season-2--toxin--how-hard-can-it-be
Got an equilateral triangle? with Cabri Jr.
Using the Compass tool in Cabri Jr., students will construct an equilateral triangle, and check the length of each side. When a vertices is moved using the Alpha hand, the triangle remains equilateral.https://education.ti.com/en/activity/detail/got-an-equilateral-triangle---with-cabri-jr
Congruent Triangles
Explore the results when a new triangle is created from an original triangle using the SSS, SAS, and ASA sets of conditions for congruence. In doing so, they will use the Cabri Jr. Compass tool to copy a segment and the Rotation tool to copy an angle.https://education.ti.com/en/activity/detail/congruent-triangles_3
Copying an Angle
Explore relationships (including congruence and similarity) among classes of two- and three-dimensional geometric objects, make and test conjectures about them, and solve problems involving them. Bullet 1 Construct an angle and find it's degree measure.Bullet 2 Use the Compass tool to replicate t...https://education.ti.com/en/activity/detail/copying-an-angle
Midsegments of a Triangle
In this activity, students will construct midsegments of a triangle, and look to formulate statements that appear to be true about the construction. They will form a midsegment triangle and compare the properties of the triangles formed.https://education.ti.com/en/activity/detail/midsegments-of-a-triangle
Effective Annual Rate & Nominal Rate
In this activity, students use the effective annual rate calculation to compare the nominal rates of various financial instruments.https://education.ti.com/en/activity/detail/effective-annual-rate--nominal-rate
Complex Numbers
Students calculate problems to determine the rules for adding, subtracting, multiplying, and dividing complex numbers.https://education.ti.com/en/activity/detail/complex-numbers
CDs Anyone?
Students write rules for real world functions. They make a table to compare function values and graph linear functions on the coordinate plane.https://education.ti.com/en/activity/detail/cds-anyone
Expanding Space Station
Students will find and compare function rules for a given pattern. They also evaluate variable expressions.https://education.ti.com/en/activity/detail/expanding-space-station
What's So Special about 11?
Students will compute multiples of numbers in search of patterns. As a class, they'll discover patterns in multiples of 9; then they'll do the same with patterns in multiples of 11. They will then practice writing the rule for 11, both verbally and algebraically, to summarize the discovered pattern.https://education.ti.com/en/activity/detail/whats-so-special-about-11_1
Will Girls and Boys Be Equal?
Students explore concepts in probability and statistics. In this activity, they model a situation to find experimental probability and construct a box-and-whisker plot. They compare the experimental and theoretical probabilities for the situation.https://education.ti.com/en/activity/detail/will-girls-and-boys-be-equal
How Hot Is It?
Students who are familiar with the two most common standards of measuring temperature learn how to reliably convert from degrees Celsius to degrees Fahrenheit. Students also see how order of operations is crucial in an equation, through discussion and data entry on the calculator.https://education.ti.com/en/activity/detail/how-hot-is-it
TI-84 Plus Graphing Calculator | Texas Instruments
...r and address book right at your fingertips. Students can use their calculator to: Manage class schedules Create to-do task lists Save email addresses and phone numbers Access a yearly, weekly and daily calendar Organizer App This App is not just your basic periodic ta...https://education.ti.com/en/products/calculators/graphing-calculators/ti-84-plus