Exploring the Centroid of a Triangle
In this activity, students investigate what happens when all three medians of a triangle are drawn. They learn how to locate the centroid. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathematical arguments about geome...https://education.ti.com/en/activity/detail/exploring-the-centroid-of-a-triangle
Exploring the Circumcenter of a Triangle
In this activity, students develop an understanding of the circumcenter of a triangle. Students construct perpendicular bisectors of three sides of a triangle and find the circumcenter. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shape...https://education.ti.com/en/activity/detail/exploring-the-circumcenter-of-a-triangle
Measures of Central Tendency Activity: Height of the Class
The purpose of this lesson is to have students create a box and whiskers plot from collecting class data of each person's height.https://education.ti.com/en/activity/detail/measures-of-central-tendency-activity-height-of-the-class
Exploring the Diameter and Circumference of a Circle
In this activity, students explore the relationship between a circles' circumference and its diameter which leads them to their own "discovery" of a value for pi. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathematic...https://education.ti.com/en/activity/detail/exploring-the-diameter-and-circumference-of-a-circle
Points in the Coordinate Plane
In this activity, students will use the Cabri™ Jr. Application to explore the coordinate system.https://education.ti.com/en/activity/detail/points-in-the-coordinate-plane
Organized Guess and Check using CellSheet
Students will use the APP CellSheet to aid in answering a typical guess and test problem. The activity will help in their organizational ability as well as with cell sheet usage. Their answers will be shared using Navigatorhttps://education.ti.com/en/activity/detail/organized-guess-and-check-using-cellsheet
Extension: Parallel Lines and the Sum of the Angles
Students construct a line parallel to the base of a triangle and measure the angles formed. They use the construction to prove that the sum of the measures of the interior angles of a triangle is 180 degrees.https://education.ti.com/en/activity/detail/extension-parallel-lines-and-the-sum-of-the-angles
Exterior and Interior Angle Theorem
In this activity, students investigate the relationship between the exterior angle of a triangle and its remote interior angles. They study the Triangle Sum Theorem and the Exterior Angle Theorem.https://education.ti.com/en/activity/detail/exterior-and-interior-angle-theorem
What am I?
In this lesson, students will get a quick review or refresher on topics such as points, lines, planes, rays and line segments. This is a great warm-up or wrap-up.https://education.ti.com/en/activity/detail/what-am-i
Exploring the Orthocenter of a Triangle
In this activity, students use the Cabri™ Jr. tools to draw altitudes in a triangle. They construct a line perpendicular to a given line and through a given point. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathemat...https://education.ti.com/en/activity/detail/exploring-the-orthocenter-of-a-triangle
Exploring Quadratic Data with Transformation Graphing
Students practice with the parameters of the vertex form of the parabola and their effect on the shape of the curve. They use this concept to find a quadratic model. They also use translation and dilation to change the general parabola.https://education.ti.com/en/activity/detail/exploring-quadratic-data-with-transformation-graphing
Using Vases to Help Understand What Graphs Mean
Students will predict what the graph will look like for different vases as they are filled with water. Then students will use the vases of different shapes and fill them with a set amount of water before each measurement. Students then measure the height of the water in the vase (their y-interc...https://education.ti.com/en/activity/detail/using-vases-to-help-understand-what-graphs-mean
The Midpoint Formula
The purpose of the activity is for students to verify the results of the Midpoint Formula using the dynamic capabilities of Cabri Jr.https://education.ti.com/en/activity/detail/the-midpoint-formula
Algebra vocabulary terms
This StudyCards™ activity includes the definitions for 15 algebra terms for which the students need to identify the correct vocabulary term.https://education.ti.com/en/activity/detail/algebra-vocabulary-terms
Give Me a Hand or Leaf Me Alone - TI-83
In this activity, students find the surface area of geometric shapes cut from card paper and relate it to its mass. They use this data to find the surface area of irregularly shaped objects.https://education.ti.com/en/activity/detail/give-me-a-hand-or-leaf-me-alone--ti83
A Move in the Right Direction
Students physically provide motion data that is collected by a CBL™ and then graph the data. They determine if they "moved in the right directions" by comparing their graph with those printed in the activity.https://education.ti.com/en/activity/detail/a-move-in-the-right-direction
Got parallel lines with corresponding angles congruent? with Cabri Jr.
Construct parallel lines in Cabri Jr., and students label and check if all corresponding angles are congruent.https://education.ti.com/en/activity/detail/got-parallel-lines-with-corresponding-angles-congruent-with-cabri-jr
Exploring Platonic Solids
This activity is best at the very beginning of a unit on solids. Students will observe Platonic solids using an interactive website (from the NLVM) projected to the whole class. Students will predict the number of edges, vertices, and faces of the five solids and record their predictions on a Lea...https://education.ti.com/en/activity/detail/exploring-platonic-solids
Exploring Quadratic Data
Students will analyze the vertex form of a parabola and find an approximate fit of a model. They will study the quadratic function (parabola) and its properties by developing quadratic models. They also use translation and dilation to change the general parabola.https://education.ti.com/en/activity/detail/exploring-quadratic-data
Body Relationships
Students will measure different parts of their body (height, thumb, etc.) and will create graphs to see if there are relationships between the measurements. Teachers can use the TI-Navigator™ System to compile student data so that students have more data points to plot on their graphs to help wi...https://education.ti.com/en/activity/detail/body-relationships
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
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
Finding the Endpoint of a Segment Given One Endpoint and the Midpoint
The purpose of the activity is for students to verify how to determine the coordinates of an endpoint of a segment, given the midpoint and other endpoint, using the dynamic capabilities of Cabri Jr.https://education.ti.com/en/activity/detail/finding-the-endpoint-of-a-segment-given-one-endpoint-and-the-midpoint
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
How Do You Measure Up?
In this activity, students graph scatter plots to investigate possible relationships between two quantitative variables. They collect data and analyze several sets of data pairing the two quantities.https://education.ti.com/en/activity/detail/how-do-you-measure-up