Number Sets
When you start this activity, students receive a Venn diagram of real number sets (natural, whole, integer, rational, irrational)on their calculator. This same diagram is projected on the Activity Center screen at the front of the room. The teacher writes a value on the board and students move th...https://education.ti.com/en/activity/detail/number-sets
Perpendicular Slopes
Students investigate the "negative reciprocal" relationship between the slopes of perpendicular lines. The final phase of the activity is appropriate for more advanced students as they are led through an algebraic proof of the relationship.https://education.ti.com/en/activity/detail/perpendicular-slopes_1
Concurrency & the Circumcenter
In this activity, students will explore the perpendicular bisectors of the sides of a triangle. Students will discover that the perpendicular bisectors are concurrent and that the point of concurrency is the circumcenter. Students should discover the relationship between the type of triangle and ...https://education.ti.com/en/activity/detail/concurrency--the-circumcenter_1
Decimal Defender App
This App helps students practice multiplication and division with decimals in a fun environment. Students use this App to learn standard multiplication and division algorithms as well as understand topics such as scientific notation, the metric system, and more.https://education.ti.com/en/activity/detail/decimal-defender-app
Say What You Mean!
This is a fun activity that has students determining how grades could be adjusted should a curve be given. Students will experiment with lists and stat plots to determine if their adjustments create a line or a curve when plotted on a graph.https://education.ti.com/en/activity/detail/say-what-you-mean
Lines in the Plane
In this activity, students create a slope triangle and understand the concepts of slope and the equation of lines. They realize that slope is constant at all points along a fixed line. They also explore the slopes of parallel and perpendicular lines.https://education.ti.com/en/activity/detail/lines-in-the-plane
Measuring Angles in a Quadrilateral
In this activity, use an interactive, and investigative approach to determining the sum of the interior angles of a quadrilateral. They use Cabri™ Jr. to draw, measure, and calculate the characteristics of the angles of quadrilaterals. NCTM Geometry Standard covered: Analyze characteristics and p...https://education.ti.com/en/activity/detail/measuring-angles-in-a-quadrilateral
Pass the Ball
Students use mathematics to examine patterns that occur in a specific scenario and predict future events for the scenario. Data is collected on the time it takes to pass a ball. The students plot graphs, fit the data with a function rule, analyze proportional relationships, and make predictions.https://education.ti.com/en/activity/detail/pass-the-ball
Math TODAY: When a Ruler Isn't Enough
Using the USA TODAY® Infograph, "When a Ruler Isn't Enough," you will explore the geometric relationships in similar right triangles. The altitude to the hypotenuse will create two right triangles that are similar to each other and to the original. Students will determine measurements indirectly ...https://education.ti.com/en/activity/detail/math-today--when-a-ruler-isnt-enough_1
Linear Equations for Which the Sum of the Coordinates is Constant
This activity allows students to explore situations in which points with a constant sum of x-coordinate and y-coordinate are graphed. Through the use of TI-Navigator to see the results of the entire class, students can determine that an oblique line is formed from such points. This oblique line...https://education.ti.com/en/activity/detail/linear-equations-for-which-the-sum-of-the-coordinates-is-constant
Investigating the Parabola in Vertex Form (y = ax2 + bx + c)
In this activity, students investigate the standard form of the quadratic function, y = ax2 + bx + c. They investigate the changes on the graph of a quadratic equation that result from changes in A, B, and C. They also locate the vertex of a parabola when its quadratic equation is expressed in st...https://education.ti.com/en/activity/detail/investigating-the-parabola-in-vertex-form-y--axsup2sup--bx--c
Given a graph...what is the function?
Understanding how to associate a function of a parabola with its graph. Students will explore varies functions and determine its graph. They will then use what they learned to predicate where a particular graph of a different function will appear on the coordinate plane.https://education.ti.com/en/activity/detail/given-a-graph---what-is-the-function
You're So Dense - TI-83
Students investigate the relationship between density of an object, its mass and its volume. They use mass and volume measurements to determine the density of pennies. They compare the density of pre-1983 and post-1984 pennies.https://education.ti.com/en/activity/detail/youre-so-dense--ti83
Getting Started with Conic Graphing App
The Conic Graphing Application provides enhanced conics functions to the already powerful TI-83 Plus and TI-84 Plus. Graph or trace circles, ellipses, hyperbolas, and parabolas and solve for the conic's characteristics. Present equations in function, parametric, or polar form.https://education.ti.com/en/activity/detail/getting-started-with-conic-graphing-app
What's My Line?
This activity focuses on strengthening student understanding of connections among graphical, tabular, and algebraic representations of simple linear functions. They enter a simple program that allows them to determine the equations for lines, in the form Y = AX + B, based on tabular and graphical...https://education.ti.com/en/activity/detail/whats-my-line
Proof of Identity
Students use graphs to verify the reciprocal identities. They then use the calculator's manual graph manipulation feature to discover the negative angle, cofunction, and Pythagorean trigonometric identities.https://education.ti.com/en/activity/detail/proof-of-identity
Where’s the Point?
This activity can be used to introduce students to the Cartesian plane. They should have some familiarity with how points are located in the plane using two coordinates, but the emphasis in this activity is solidifying students' understanding of just how that is done. As configured, the activity ...https://education.ti.com/en/activity/detail/wheres-the-point
How Many Drivers? Investigating the Slope-Intercept Form of a Line
In this activity, students will be introduced to the slope-intercept form of a linear equation. They will recognize the effects of changes in the slope and y-intercept on the graph of a line. Students will use the Transformation Graphing application to find an approximate linear model of the actu...https://education.ti.com/en/activity/detail/how-many-drivers-investigating-the-slopeintercept-form-of-a-line
How Many Solutions?
In this activity, students graph systems of linear functions to determine the number of solutions. In the investigation, students are given one line and challenged to draw a second line that creates a system with a particular number of solutions.https://education.ti.com/en/activity/detail/how-many-solutions_1
STOP
Students use an interactive page to calculate the speed of the car, given a stopping distance, and then approximate stopping distance, given the rate of the car.https://education.ti.com/en/activity/detail/stop
Successive Differences
Students explore the relationships between the side length and perimeter of a square and the edge length and surface area of a cube by manipulating geometric models. They use the models to generate a dataset, calculate successive differences, and use them to determine which type of function best ...https://education.ti.com/en/activity/detail/successive-differences
Parametric Equations
We express most graphs as a single equation which involves two variables, x and y. By using parametric mode on the calculator you may use three variables to represent a curve. The third variable is t, time. (Topics - parametric functions)https://education.ti.com/en/activity/detail/parametric-equations
Stretching a Penny
In this activity, students investigate how a spring stretches when different weights pull on it. They relate the stretch of the spring directly to the weight and vice-versa.https://education.ti.com/en/activity/detail/stretching-a-penny
Recursive Sequences
Students use the sequence mode of the graphing calculator to generate recursive sequences and then examine the values.https://education.ti.com/en/activity/detail/recursive-sequences
Quadratic Regression with Transformation Graphing
Students will enter data into lists and graph scatter plots and perform a multiple regression on the plots. They will also make predictions or draw conclusions from the quadratic model.https://education.ti.com/en/activity/detail/quadratic-regression-with-transformation-graphing