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 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
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
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
It's a Bug's Temp
Uses information provided in a table to determine what if any relationship exists between the air temperature and the temperature of an insect.https://education.ti.com/en/activity/detail/its-a-bugs-temp
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
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
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
Present Value of an Ordinary Annuity
In this activity, students carry out financial computations to find out how much money should be deposited today so that a fixed amount can be drawn at regular intervals. These calculations involve determination of the present value of annuity.https://education.ti.com/en/activity/detail/present-value-of-an-ordinary-annuity
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
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
Compound Interest
In this activity, students will calculate compound interest. They understand that in compound interest computations, the interest from the previous period is added to the current principal and the new total is used as the basis for calculating the interest.https://education.ti.com/en/activity/detail/compound-interest
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
Investigating Quadrilaterals
Students will create a variety of quadrilaterals using the GEOBOARD APP and identify critical attributes.https://education.ti.com/en/activity/detail/investigating-quadrilaterals
Future Value of an Ordinary Annuity & Sinking Funds
In this activity, students carry out financial computations, involving annuity, and the future value of annuities. Students also deal with computations involving sinking funds.https://education.ti.com/en/activity/detail/future-value-of-an-ordinary-annuity--sinking-funds
Amortization Tables
In this activity, students carry out financial computations, involving amortization. Students will prepare amortization tables indicating principal payments, interest payments, and the balance on a loan for each time interval.https://education.ti.com/en/activity/detail/amortization-tables
Betweenness and the Sum of Parts
In this activity, students' will explore the concepts of betweenness and the sum of parts visually, geometrically, and numerically for segments and angles using the Cabri® Jr. application. They will investigate how the sum of parts equals the whole.https://education.ti.com/en/activity/detail/betweenness-and-the-sum-of-parts
Loans and Mortgages
In this activity, students perform financial computations, involving loans, their repayment and mortgages used as security for the repayment of a loan.https://education.ti.com/en/activity/detail/loans-and-mortgages
Bisectors
Students investigate the Perpendicular Bisector Theorem and examine its converse. They also explore the Angle Bisector Theorem.https://education.ti.com/en/activity/detail/bisectors
Incenter of a Triangle
In this activity, students observe a special characteristic of the bisectors of the angles in a triangle. They test their conjecture by changing the size and shape of the triangle. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and ...https://education.ti.com/en/activity/detail/incenter-of-a-triangle
Quadratic Formula
Students make connections between the visual ways to find zeros of a parabola and algebraic ways with an emphasis on the quadratic formula.https://education.ti.com/en/activity/detail/quadratic-formula
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