Triangle Congruence with Activity Center
When the activity is started in Navigator, students receive a diagram on their calculators with 6 regions representing the possible answers to a triangle congruence problem. The teacher displays a pair of triangles on the overhead projector or whiteboard and students move their cursor to the regi...https://education.ti.com/en/activity/detail/triangle-congruence-with-activity-center
Right Triangle Trig
This is a way to use the TI-Navigator™ to check for an understanding of sin, cos, and tan before you move onto word problems.https://education.ti.com/en/activity/detail/right-triangle-trig
Triangle Inequalities
This activity will help students visualize the properties of triangles stated in the theorems. By dragging the vertices, the students can see that the properties hold regardless of the size of the triangles and which sides are the longest or shortest.https://education.ti.com/en/activity/detail/triangle-inequalities_2
TI-83/84 Scavenger Hunt
A short activity that can be used to teach your students about the graphing calculator. Written by a student to ensure that students can understand it. Includes teacher's key.https://education.ti.com/en/activity/detail/ti8384-scavenger-hunt
REAL LIFE REAL WORLD - Avalanche Rescue
When hikers and skiers go into terrain with a risk of avalanches, they take safety equipment including avalanche rescue beacons. An avalanche rescue beacon sends and receives electromagnetic field signals that travel in circular patterns. The search pattern used to locate a beacon buried in the...https://education.ti.com/en/activity/detail/real-life-real-world--avalanche-rescue
REAL LIFE, REAL WORLD Activity - Architecture
Architects and Interior Designers use scale drawings that represent the house or room they are designing. This activity uses Cabri Jr. Geometry software to create a scale drawing with dilations.https://education.ti.com/en/activity/detail/real-life-real-world-activity--architecture
NUMB3RS - Season 2 - "Assassin" - The Escape Game
In "Assassin," Charlie is trying to figure out where a killer might strike given that he knows who the victim will be. By analyzing the movements of the would-be victim, Charlie models the decisions that the assassin will make. This is an example of behavioral game theory, where the motives of tw...https://education.ti.com/en/activity/detail/numb3rs--season-2--assassin--the-escape-game
Drawing a Line Tangent to a Circle
Students use the drawing and measurement tools of Cabri™ Jr. to draw a line tangent to a circle. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathematical arguments about geometric relationships.https://education.ti.com/en/activity/detail/drawing-a-line-tangent-to-a-circle
Easy Programming of geometry formualas
Area, surface area, premiter, volume, you get the catch. All done so the student only has to input one or two numbers.https://education.ti.com/en/activity/detail/easy-programming-of-geometry--formualas
NUMB3RS - Season 3 - "Hardball" - Is It for Real
In "Hardball," an amateur mathematician uncovers an equation that uses baseball statistics to identify which players are using performance enhancing substances. By analyzing player performance, he is able to determine when an athlete began using a performance enhancing substance. Students will us...https://education.ti.com/en/activity/detail/numb3rs--season-3--hardball--is-it-for-real
Evaluating the Products of Chords of a Circle
In this activity, the students will investigate if two chords intersect in a circle, then the products of the measures of the segments of the chords are equal.https://education.ti.com/en/activity/detail/evaluating-the-products-of-chords-of-a-circle
NUMB3RS - Season 3 - "Finders Keepers" - The Leaf Drops
In "Finders Keepers," a world-class racing yacht sinks in the ocean. The NSA has the exact location where its homing beacon shut down and assumes that is where the ship sank. The NSA is stumped when they cannot find the yacht at this location because they assumed the boat sank directly to the bot...https://education.ti.com/en/activity/detail/numb3rs--season-3--finders-keepers--the-leaf-drops
Explore Parallel and Perpendicular Lines
Students will use a graphing calculator to explore graphs of parallel and perpendicular lines. Students will find that parallel lines have the same slope and different y-intercepts and that the slopes of two perpendicular lines are opposite reciprocals of each other. This Technology Lab accompa...https://education.ti.com/en/activity/detail/explore-parallel-and-perpendicular-lines
NUMB3RS - Season 2 - "Double Down" - A Bit of Basic Blackjack
In "Double Down," three students are tied up in a money-laundering scheme involving money won in the card game blackjack. In this activity, we discuss a simplified version of blackjack and analyze the probability of winning in various situations. Because cards are drawn from the deck and not re...https://education.ti.com/en/activity/detail/numb3rs--season-2--double-down--a-bit-of-basic-blackjack
Segments Formed by Intersecting Chords, Secants, and Tangents
This activity is designed to help students discover several important theorems concerning lengths of segments formed by intersecting chords, secants, and tangents.https://education.ti.com/en/activity/detail/segments-formed-by-intersecting-chords-secants-and-tangents
Run me a Linear Regression
This activity is designed to give students the opportunity to estimate the least squares line given a set of points. The students are then able to check their "best fit" line by running a linear regression using the graphing calculator.https://education.ti.com/en/activity/detail/run-me-a-linear-regression
Run Me a Hypothesis Test
This activity is designed to give students' practice in determining which type of test to run given certain background information. Additionally, it provides practice towards understanding the meaning of rejecting or failing to reject a null hypothesis.https://education.ti.com/en/activity/detail/run-me-a-hypothesis-test
NUMB3RS - Season 3 - "Democracy" - No Desk Left Behind
In "Democracy", Charlie calculates the likelihood that five people who knew each other would have died by accident in a two-week period. He estimates that the odds of this are 700 million to 1. To estimate likelihood of an event, a simulation can be used. In this activity, students use a simulati...https://education.ti.com/en/activity/detail/numb3rs--season-3--democracy--no-desk-left-behind
What's Normal, Anyway?
Students explore normal distribution and several properties. First, simulate a binomial experiment and use a histogram of the data to examine the general shape of a normal curve. They graph a normal distribution given the mean and standard deviation. They see how the graph changes when just the m...https://education.ti.com/en/activity/detail/whats-normal-anyway_1
NUMB3RS - Season 3 - "Contenders" - Dialing Ben
In "Contenders," David's friend, Ben Ellis, is a suspect of two murders. The FBI can not find Ben when he stops using his cell phone. Charlie explains that Ben may be using a friend's cell phone and might be identified by his unique calling pattern, so he compares the cell phone records of Ben an...https://education.ti.com/en/activity/detail/numb3rs--season-3--contenders--dialing-ben
NUMB3RS - Season 3 - "Contenders" - Choosing Contenders
In "Contenders," the FBI asks Charlie and Amita to look at official league rankings of each fighter and compare them with their own 'rankings,' created using the skill levels and past performances of each fighter. They find that one fighter has had an easy path to the championship because this fi...https://education.ti.com/en/activity/detail/numb3rs--season-3--contenders--choosing-contenders
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
NUMB3RS - Season 2 - "The Running Man" - The Eyes Have It
The FBI is investigating a robbery at the research facility of a large company. The FBI believes that the robbers were employees of the company, because they were able to bypass the iris recognition security scan and gain entrance. However, a security camera was able to capture a partial image of...https://education.ti.com/en/activity/detail/numb3rs--season-2--the-running-man--the-eyes-have-it
Testing Goodness-of-Fit and Two-Way Table Chi-Square
Students perform chi-square tests to see if data follows a hypothesized distribution. They also study the two-way table analysis.https://education.ti.com/en/activity/detail/testing-goodnessoffit-and-twoway-table-chisquare
NUMB3RS - Season 2 - "The O.G." - Is It Really Rare?
Suppose that historically, a shooting has occurred in Los Angeles an average of once every 6 hours. Suppose that Charlie is interested in the probability of 2 shootings occurring in a given 24-hour period. He could use a Poisson distribution to find that probability.https://education.ti.com/en/activity/detail/numb3rs--season-2--the-o-g---is-it-really-rare