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Isosceles Triangle

In this activity, students construct isosceles and equilateral triangles. They discover that if two sides of a triangle are congruent, then the angles opposite them are congruent. They understand that an equilateral triangle is also equiangular.
https://education.ti.com/en/activity/detail/isosceles-triangle

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

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

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! What’s 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

Investigating Angle Bisectors

Students will determine that any poin on the angle bisector is equidistant from the sides of the angle.
https://education.ti.com/en/activity/detail/investigating-angle-bisectors

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

Investigating Segments in a Right Triangle

In this activity, students review definitions of terms such as right triangle, hypotenuse, midpoint, vertices, and equidistant. They also discover an important characteristic of the midpoint of the hypotenuse. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dime...
https://education.ti.com/en/activity/detail/investigating-segments-in-a-right-triangle

Investigate Perpendicular Bisector

Student activity: Discover that any point on the perpendicular bisector of a segment is equidistant from the endpoints of the segment
https://education.ti.com/en/activity/detail/investigate-perpendicular-bisector

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

Scientific Operations

This StudyCards™ set is a guided discovery of the four operations with numbers in scientific notation. Use with Foundations for College Mathematics, Ch. 1-4.
https://education.ti.com/en/activity/detail/scientific-operations

Scientific Notation

This StudyCards™ set demonstrates need for scientific notation, using real-world examples. Includes guided activity promoting proper form. Use with Foundations for College Mathematics, ch. 1-4.
https://education.ti.com/en/activity/detail/scientific-notation

REAL LIFE REAL WORLD Activity: Archeologist Frieze Patterns

Archeologists, when classifying artifacts, often take note of the physical properties or attributes of artifacts, such as the materials from which the artifacts are made, and their size, shape, function, and decoration. Friezes are often seen as ornaments in architecture. Frieze patterns can be f...
https://education.ti.com/en/activity/detail/real-life-real-world-activity-archeologist-frieze-patterns

Rational Expression Multiplication

This StudyCards™ set uses guided discovery concepts to develop ideas for functions operations, building from rational expression multiplication and division algorithms. Use with Foundations for College Mathematics, ch. 7.3.
https://education.ti.com/en/activity/detail/rational-expression-multiplication

Measuring Polygons - An Introduction to Cabri Jr.

This activity is designed as an intoduction to using the Carbr Jr. application on the TI-83+/84+ calculators. Students are guided through the menu system and are shown how to draw triangles, quadrilaterals and and a pentagon. Perimeter and angle measurements are also explained. The activity leads...
https://education.ti.com/en/activity/detail/measuring-polygons--an-introduction-to-cabri-jr

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

In Search of Toronto's Length of Daylight Hours Equation

Students will construct a scatterplot in TI-Navigator™ and through teacher guidance will find the parameters for y = Asin(B(x-C))+D.
https://education.ti.com/en/activity/detail/in-search-of-torontos-length-of-daylight-hours-equation

y=ax Activity

This activity, inspired by a similar activity in a Texas Instrument guidebook, has served to be very useful in helping students develop concepts of slope and y-intercept.
https://education.ti.com/en/activity/detail/yax-activity

Old MacDonald's Pigpen

Students solve a standard maximum value problem using the calculator. Students help Old MacDonald build a rectangular pigpen with 40 m fencing that provides maximum area for the pigs. They graph scatter plots, analyze quadratic functions, and find maximum value of a parabola.
https://education.ti.com/en/activity/detail/old-macdonalds-pigpen

Exploring Linear Equations with Activity Center

Use the attached word document to guide your class exploration on linear equations and their graphs.
https://education.ti.com/en/activity/detail/exploring-linear-equations-with-activity-center

Factoring

A teaching activity that makes the equivalence and zeros connection between functions. Parts 1 through 3. Use with Foundations for College Mathematics, Ch. 3.4, 3.5.
https://education.ti.com/en/activity/detail/factoring

Using the Transform Application in an Algebra Class

This activity is intended to be a discovery activity for students to determine the effect that changing m and b have on the equation y=mx+b. There is a teacher guide and an activity to determine the student's level of understanding.
https://education.ti.com/en/activity/detail/using-the-transform-application-in-an-algebra-class

Graphing Families of Quadratic Functions

Students will use the Transfrm app to explore families of quadratic functions. Generalization about the effect of a, b and c coefficients have on the shape and position of the graph in general form, and the effect of a, h, and k in vertex form, will be summarized by students in their own words. S...
https://education.ti.com/en/activity/detail/graphing-families-of-quadratic-functions

Solving Systems of Equations

This activity can be used as a self assessment or as a small quiz over solving systems of linear equations. Requires knowledge of substitution and elimination.
https://education.ti.com/en/activity/detail/solving-systems-of-equations

Perms and Combs?

Students will use built-in commands to evaluate factorials, combinations, and permutations.
https://education.ti.com/en/activity/detail/perms-and-combs