Calculating the Area of a Triangle Using Heron's Formula
Students will measure the lengths of the sides of three different triangles and apply Heron's Formula to calculate the area in acres. The measurements for this activity may be done outside or, using a specified scale, completed inside. Students will calculate the area using their graphing calcul...https://education.ti.com/en/activity/detail/calculating-the-area-of-a-triangle-using-herons-formula
Centers of a Triangle
The centroid, circumcenter, orthocenter, and incenter are the four classic centers of a triangle that are studied in geometry. In this activity, you will construct these center points and discover their properties.https://education.ti.com/en/activity/detail/centers-of-a-triangle
Centroid and Orthocenter
In this activity, students analyze the location of the centroid and orthocenter for different triangles.https://education.ti.com/en/activity/detail/centroid-and-orthocenter
Hey, Ortho! Whats Your Altitude?
In this activity, students will explore the altitudes of a triangle. Students will discover that the altitude can be inside, outside, or a side of the triangle. Students will discover that the altitudes are concurrent. The point of concurrency is the orthocenter. Students should discover the rela...https://education.ti.com/en/activity/detail/hey-ortho-whats-your-altitude
Returns on a Share of Stock
In this activity, students will determine the internal rate of return of the cashflows associated with the stock purchase, dividends, and sale. They will carry out explorations by varying the selling price of the stock and examining the impact on the rate of return.https://education.ti.com/en/activity/detail/returns-on-a-share-of-stock
Area of a Regular Polygon
This activity has the students derive the formula for finding the area of a regular polygon. Demonstrating the procedure of constructing a regular polygon in front of the class maybe necessary depending on the students prior experiencehttps://education.ti.com/en/activity/detail/area-of-a-regular-polygon
Basic Geometry Vocabulary Flip Card Activity
Activity will allow students to study vocabulary words and definitions with personal or in class calculators.https://education.ti.com/en/activity/detail/basic-geometry-vocabulary-flip-card-activity
Investigating the Slopes of Parallel and Perpendicular lines
In this activity, students investigate how equations of parallel and perpendicular lines relate to each other. They use the drawing and measurement tools of Cabri™ Jr. to explore the slopes of lines. NCTM Geometry Standards: Analyze characteristics and properties of 2- and 3-dimensional geometric...https://education.ti.com/en/activity/detail/investigating-the-slopes-of-parallel-and-perpendicular-lines
Prodigious! Quadratics and Free Fall Motion
Uses the movie "October Sky" as an introduction to the study of free fall motion functions. Acts a summation activity to a quadratic unit in Algebra Solve quadratic equations by graphing, factoring, and the quadratic formula.https://education.ti.com/en/activity/detail/prodigious-quadratics-and-free-fall-motion
Points, Lines and Slopes (Oh My!) - 84
In this activity students will explore the relationship between coordinates of points and locations on the coordinate plane, the relationships of lines with their equations, slopes and y-intercepts, and lastly, the slopes of parallel and perpendicular lines.https://education.ti.com/en/activity/detail/points-lines--slopes-oh-my@84@ib
Constructing Triangles
This activity focuses on the various ways to construct the different types of triangles such as isosceles, equilateral, right, and right isosceles triangles. Students will begin by constructing triangles based on a minimal definition of the shape of the triangle. They will then make constructions...https://education.ti.com/en/activity/detail/constructing-triangles
Polynomial Function and Fitting a Curve
Students are asked to fit a polynomial function for the four given points. One y-intercept and three x-intercepts. All intercepts are given as integers. This is document that can be used as a class opener or for checking understanding.https://education.ti.com/en/activity/detail/polynomial-function-and-fitting-a-curve
NUMB3RS - Season 3 - "Finders Keepers" - Barging In
In "Finders Keepers," the body of a diver is found in the ocean. The body is traced to a salvage barge that has a bloody handprint on it. After further investigation, it is discovered that the blood is not from the dead diver, but someone else murdered on the barge. In order to find the other vic...https://education.ti.com/en/activity/detail/numb3rs--season-3--finders-keepers--barging-in
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
Sequence Patterns
Sonya Kovalevsky(1850-1891)was fascinated by infinite sequences. Fill in the spaces to continue the sequences in the attached document.https://education.ti.com/en/activity/detail/sequence-patterns
Circumcenter and Incenter
In this activity, students examine the location of the circumcenter and incenter for different triangles.https://education.ti.com/en/activity/detail/circumcenter-and-incenter
Slope and Learning Check Docs
The is a collection of various LearningCheck Documents for use with Slope and Equation of a Linear Function for algebra.https://education.ti.com/en/activity/detail/slope-and-learning-check-docs
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
Conics as a Locus of Points
Students investigate the definition of a parabola through one of its geometric definitions. They study conic sections. They examine an ellipse as a locus of points such that the sum of distances from the foci to the traced path is constant.https://education.ti.com/en/activity/detail/conics-as-a-locus-of-points
Matrix Addition, Subtraction, and Scalar Multiplication
Students take quiz from Word .doc and answer the questions in the LearningCheck&trade .edc file.https://education.ti.com/en/activity/detail/matrix-addition-subtraction-and-scalar-multiplication
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
Perimeter Pattern
Students will explore a perimeter pattern created using hexagon and triangle pattern block pieces. They will continue the given pattern and use the values obtained to complete a table of values. They will enter the data into the calculator, create a scatter plot and determine the viewing window...https://education.ti.com/en/activity/detail/perimeter-pattern
Transformations of Quadratics
Series of LearningCheck™ documents to assess student knowledge of quadratic transformations.https://education.ti.com/en/activity/detail/transformations-of-quadratics
Walk This Walk
In this activity, students use a motion detector to create Distance versus Time graphs. They experiment with various Distance-Time graphs and write mathematical descriptions of motion with constant velocity.https://education.ti.com/en/activity/detail/walk-this-walk
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