Triangle Proportionality
In this activity, students will study the concept of triangle proportionality.https://education.ti.com/en/activity/detail/triangle-proportionality
Relationship of Angles to the Circle
In this activity, students recognize the relationship of angles to its circles. They study the Inscribed Angle Theorem and its corollaries.https://education.ti.com/en/activity/detail/relationship-of-angles-to-the-circle
Transformation
In this activity, students study different types of transformations.https://education.ti.com/en/activity/detail/transformation
Dynamic Geometry: Basic Constructions
Students use the Cabri™ Jr. application to draw triangles and construct perpendicular bisectors on the sides of a triangles. They study the properties of a triangle and understand how the measures of angles of a triangle is always 180 degrees.https://education.ti.com/en/activity/detail/dynamic-geometry-basic-constructions
Sin, Cos, and Tan of Right Triangles
In this activity, students explore a right angled triangle and its trigonometric concepts. They investigate the trigonometric ratios for the angles of the triangle.https://education.ti.com/en/activity/detail/sin-cos-and-tan-of-right-triangles
Dynamic Geometry: Program Basics
Students use the Cabri™ Jr. application to draw triangles and explore properties of perpendicular bisectors of the three sides of different types of the triangles. They study the measures of angles of a triangle and understand that the sum of the measures of angles of a triangle is always 180 deg...https://education.ti.com/en/activity/detail/dynamic-geometry-program-basics
Special Parallelograms
In this activity, students will study special types of parallelograms like rhombus and rectangle, and investigate properties related to their diagonals.https://education.ti.com/en/activity/detail/special-parallelograms_1
Fractions to Decimal Form
This program and activity sheets allow teachers and students to explore both terminated and repeating decimal forms of any fraction (within limits). This version 1.0 allows for one conversion but can be rerun indefinitely.https://education.ti.com/en/activity/detail/fractions-to-decimal-form
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
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
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
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
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
Coordinate Geometry - Circles
In this activity, students investigate the relationship between the coordinates of a point on the circle, radius of a circle, and the values in the equation of the circle.https://education.ti.com/en/activity/detail/coordinate-geometry--circles
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
Circumcenter and Incenter
In this activity, students examine the location of the circumcenter and incenter for different triangles.https://education.ti.com/en/activity/detail/circumcenter-and-incenter
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
Classifying Triangles by the Length of the Sides Using Cabri Jr.
This activity uses Cabri Jr. to classify triangles according to the length of their sides.https://education.ti.com/en/activity/detail/classifying-triangles-by-the-length-of-the-sides-using-cabri-jr
Conics as a Locus of Points
Students investigate the definition of a parabola through one of its geometric definitions. They study conic sections. They examine an ellipse as a locus of points such that the sum of distances from the foci to the traced path is constant.https://education.ti.com/en/activity/detail/conics-as-a-locus-of-points
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
Midpoint of a Segment
Students review the basic geometry definitions of segment and midpoint, and learn to use drawing and measurement tools. They explore changes in measurements as the figure is altered. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes a...https://education.ti.com/en/activity/detail/midpoint-of-a-segment
Midsegment of a Trapezoid
Students study the Midsegment Theorem for Trapezoids.https://education.ti.com/en/activity/detail/midsegment-of-a-trapezoid
Midsegment of a Triangle
Students explore the properties of triangles formed by connecting the midpoints of two sides of a triangle, and examine the relationship between the two triangles. They study the Triangle Midsegment theorem.https://education.ti.com/en/activity/detail/midsegment-of-a-triangle
Lines in the Plane
In this activity, students create a slope triangle and understand the concepts of slope and the equation of lines. They realize that slope is constant at all points along a fixed line. They also explore the slopes of parallel and perpendicular lines.https://education.ti.com/en/activity/detail/lines-in-the-plane