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Intersecting Lines and Vertical Angles

In this activity, students visualize and explore the angles that are formed when two lines intersect. By measuring angles formed by intersecting lines, they enhance their understanding of vertical angles, supplementary angles, and a linear pair. NCTM Geometry Standard covered: Analyze characteris...
https://education.ti.com/en/activity/detail/intersecting-lines-and-vertical-angles

Constructing the Diameter of a Circle

Given a circle, students will construct a diameter of the circle. They will use the following theorem: In the same circle, if one chord is a perpendicular bisector of another chord, then the first chord is a diameter.
https://education.ti.com/en/activity/detail/constructing-the-diameter-of-a-circle

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 Addition, Subtraction

This StudyCards™ stack teaches that, when linear functions are added, the slope of the sum is equal to the sum of the slopes, likewise for y-intercepts. Includes quadratic and up polynomials. Use with Foundations for College Mathematics, Ch. 3.2.
https://education.ti.com/en/activity/detail/polynomial-addition-subtraction

Number Sets

When you start this activity, students receive a Venn diagram of real number sets (natural, whole, integer, rational, irrational)on their calculator. This same diagram is projected on the Activity Center screen at the front of the room. The teacher writes a value on the board and students move th...
https://education.ti.com/en/activity/detail/number-sets

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

Polynomial Multiplication

This StudyCards™ set shows that the product of linear functions (polynomial) is usually quadratic. Students discover the exact product and more traditional methods for multiplying polynomials. Use with Foundations for College Mathematics, Ch. 3.3.
https://education.ti.com/en/activity/detail/polynomial-multiplication

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

Copying an Angle

Explore relationships (including congruence and similarity) among classes of two- and three-dimensional geometric objects, make and test conjectures about them, and solve problems involving them. Bullet 1 Construct an angle and find it's degree measure.Bullet 2 Use the Compass tool to replicate t...
https://education.ti.com/en/activity/detail/copying-an-angle

Sequence of Bounces Activity - Modeling Motion

This activity serves as a follow-up to Activity 12 in the Explorations book, Modeling Motion: High School Math Activities with the CBR by Linda Antinone, Sam Gough, and Jill Gough (Texas Instruments Incorporated, 1997).
https://education.ti.com/en/activity/detail/sequence-of-bounces-activity--modeling-motion

Circles in the Plane

In this activity, students will use the Cabri™ Jr. application to explore circles in a plane. They will investigate the relationship between the equation of a circle, the length of its radius, and the coordinates of its center.
https://education.ti.com/en/activity/detail/circles-in-the-plane

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

NUMB3RS - Season 2 -"Hot Shot" - A Stab in the Dark

In "Hot Shot," two victims of a possible serial criminal are found. Charlie uses kernel density estimation as a method for predicting a change in behavior to indicate a connection between the victims and the criminal.
https://education.ti.com/en/activity/detail/numb3rs--season-2-hot-shot--a-stab-in-the-dark

Circumscribing a Circle About a Triangle

In this activity, students use the distance of the circumcenter of a triangle to each vertex of the triangle as the radius and draw a circle using the circumcenter as the center. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and de...
https://education.ti.com/en/activity/detail/circumscribing-a-circle-about-a-triangle

NUMB3RS - Season 2 - "Assassin" - Experimenting with Paper Airplanes

In the episode "Assassin," Charlie and Larry discuss a paper airplane contest and some factors that affect the flight of a paper airplane. Because it is much simpler, a paper airplane can be easily modified and then tested to see how those changes affect its flight.
https://education.ti.com/en/activity/detail/numb3rs--season-2--assassin--experimenting-with-paper-airplanes

Multiplication of Integers

Students use StudyCards(tm) to practice completing multiplication equations that include positive and negative integers.
https://education.ti.com/en/activity/detail/multiplication-of-integers

Slope

This StudyCards™ set promotes understanding of the meaning of slope and evaluation of slope using delta y/delta x definition. Use with Foundations for College Mathematics, Ch. 4-1.
https://education.ti.com/en/activity/detail/slope

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

Radius, Diameter, and Circumference of a Circle

In this activity, students will learn the basic concepts of the circle. They explore the relationship between the diameter and the radius, and between the diameter and circumference of a circle. They also get familiar with the Greek symbol π (pi).
https://education.ti.com/en/activity/detail/radius-diameter-and-circumference-of-a-circle

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

Classifying Quadrilaterals

Students receive two Cabri Jr. files of quadrilaterals on a coordinate plane. They use their knowledge of quadrilaterals to give each one the most precise name. They may find the length and/or slope of the sides using the measuring tools of Cabri Jr. to assist in their classification.
https://education.ti.com/en/activity/detail/classifying-quadrilaterals_1

The Coordinate Plane

The purpose of the activity is for students in a beginning algebra course to review the x-y coordinate plane using Cabri Jr.
https://education.ti.com/en/activity/detail/the-coordinate-plane

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

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 Addition, Subtraction

This StudyCardstrade; stack covers adding (or subtracting) numerators with simple to complex denominators. The set ends with sums or differences of rational functions with different denominators. Use with Foundations for College Mathematics, Ch. 7.4.
https://education.ti.com/en/activity/detail/rational-addition-subtraction