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
Congruent Triangles
Explore the results when a new triangle is created from an original triangle using the SSS, SAS, and ASA sets of conditions for congruence. In doing so, they will use the Cabri Jr. Compass tool to copy a segment and the Rotation tool to copy an angle.https://education.ti.com/en/activity/detail/congruent-triangles_3
Inscribed Angles Intercepting The Same Arc
Students investigate the properties of angles inscribed in a circle. They use the drawing and measurement tools of Cabri™ Jr. to draw and measure certain angles, and establish the relationship between angles that intercept the same arc. NCTM Geometry Standard covered: Analyze characteristics and ...https://education.ti.com/en/activity/detail/inscribed-angles-intercepting-the-same-arc
Inscribing a Circle in a Triangle
In this activity, students bisect the angles of a triangle and find the incenter of the triangle. They find the distance from the incenter to the side of the triangle and use it as radius. With the incenter as the center, they inscribe a circle in a triangle. NCTM Geometry Standard covered: Anal...https://education.ti.com/en/activity/detail/inscribing-a-circle-in-a-triangle
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
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 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
Polynomial Function and Fitting a Curve
Students are asked to fit a polynomial function for the four given points. One y-intercept and three x-intercepts. All intercepts are given as integers. This is document that can be used as a class opener or for checking understanding.https://education.ti.com/en/activity/detail/polynomial-function-and-fitting-a-curve
Perpendicular Slopes
Students investigate the "negative reciprocal" relationship between the slopes of perpendicular lines. The final phase of the activity is appropriate for more advanced students as they are led through an algebraic proof of the relationship.https://education.ti.com/en/activity/detail/perpendicular-slopes_1
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
Coordinate Geometry The Equation of a Line
This activity teaches students the relationship between the slope, y-intercept, and the equation of a line.https://education.ti.com/en/activity/detail/coordinate-geometry-the-equation-of-a-line
Sequence of Bounces
In this activity, students will explore the rebound heights of a ball and develop a sequence that will predict the rebound height of subsequent bounces. They will also find the total distance that the ball travels.https://education.ti.com/en/activity/detail/sequence-of-bounces
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
Shark Attack
Students use the Transformation Graphing application to separate what effect each change in the Point-Slope equation has on the graph.https://education.ti.com/en/activity/detail/shark-attack
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
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
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
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 Angles in a Triangle
In this activity, students learn about the sum of the angles in a triangle. They understand triangles and their interior angles. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathematical arguments about geometric relat...https://education.ti.com/en/activity/detail/measuring-angles-in-a-triangle
Combining Like Terms
Students can use this LearningCheck™ to practice the distributive property and combining like terms with positive integershttps://education.ti.com/en/activity/detail/combining-like-terms
Decimal Defender App
This App helps students practice multiplication and division with decimals in a fun environment. Students use this App to learn standard multiplication and division algorithms as well as understand topics such as scientific notation, the metric system, and more.https://education.ti.com/en/activity/detail/decimal-defender-app