Discovering the Quadrilateral Properties
This activity will use Cabri™ Jr. to allow students' the ability to discover all of the properties of each quadrilateral, rather than simply copying them out of a textbook.https://education.ti.com/en/activity/detail/discovering-the-quadrilateral-properties
Dilations in the Plane
In this activity, students will learn to use the Dilation tool on the Cabri™ Jr. application. They will also investigate the properties of dilations and the effects of dilations in the coordinate plane.https://education.ti.com/en/activity/detail/dilations-in-the-plane_1
Discovering Pi
Students will measure the circumference and diameter of round objects. They will send in their measurements through TI-Navigator™ and discover the relationship between the circumference and diameter. Students will note why all points do not lie exactly on the line y=PIx. Then students will use ...https://education.ti.com/en/activity/detail/discovering-pi
NUMB3RS - Season 2 - "Soft Target" - Is This Seat Taken?
In "Soft Target," Alan is considering how to arrange people in seats at a wedding. Charlie points out that although there are many possibilities for seating arrangements, you reduce those possibilities if you decide who needs to sit next to whom.https://education.ti.com/en/activity/detail/numb3rs--season-2--soft-target--is-this-seat-taken
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
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
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
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
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
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
Got Complements? with Cabri Jr.
Use the Axes and Measure Angle tool to explore and calculate complementary angles.https://education.ti.com/en/activity/detail/got-complements--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
Got the sum of remote interior angles equal to the measure of the exterior angle? with Cabri Jr.
Draw a triangle with exterior angle. Measure the exterior angle and each remote interior angle. Use the Alpha hand to check that the sum of the remote interior angles is always equal to the exterior angle.https://education.ti.com/en/activity/detail/got-the-sum-of-remote-interior-angles-equal-to-the-measure-of-the-exterior-angle---with-cabri-jr
Handy Reflections
The purpose of this investigation is to: Revise plotting points on the Cartesian plane Use and understand aspect ratios Improve estimation skills Use a spreadsheet or a graphing calculator to draw a graph Learn how to reflect lines and points in the x & y axis.https://education.ti.com/en/activity/detail/handy-reflections
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
Exploring Quadrilateral Properties Using Cabri
Students will use Cabri Jr. to learn about the properties of quadrilaterals as well as learn about the relationships between quadrilaterals.https://education.ti.com/en/activity/detail/exploring-quadrilateral-properties-using-cabri
Central versus Inscribed Angles in Circles
Using Cabri Jr. to explore the connection between central and inscribed Angles along with their arc measure.https://education.ti.com/en/activity/detail/central-versus-inscribed-angles-in-circles
Function of a Circle
Students use Cabri,Jr. to construct a circle and its radius, measure both the circumference and the radius, and then collect data showing the relationship between the two. Using the TI-Navigator students input their data into lists and see the scatterplot of the collected data displayed on a coo...https://education.ti.com/en/activity/detail/function-of-a-circle
Net Present Value and Internal Rate of Return
In this activity, students deal with cash flow and its present value, which is its worth in today's dollars. They will compare alternative investments by determining their Net Present Value and Internal Rate of Return. They will also determine, when called for, whether it is more profitable to le...https://education.ti.com/en/activity/detail/net-present-value-and-internal-rate-of-return
Investigating Area Relationships
The interactive Cabri Jr. geometry application makes it easy to measure the area of triangles and quadrilaterals. In this activity, students will explore some interesting area relationships in quadrilaterals.https://education.ti.com/en/activity/detail/investigating-area-relationships
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
Loans- Days Between Dates
In this activity, students will determine the number of days between dates. They will find the amount due on a loan at the end of a term, which may be in days, months or years.https://education.ti.com/en/activity/detail/days-between-dates