Secants, Tangents and Arcs
Explore the angle and arc relationships for two intersecting lines that intersect a circle.https://education.ti.com/en/activity/detail/secants-tangents-and-arcs
Special Segments in Triangles
In this activity, students construct medians, altitudes, angle bisectors, and perpendicular bisectors of triangles. They then drag the vertices to see where the intersections of the segments lie in relation to the triangle, and they measure distances to identify relationships. They see that the i...https://education.ti.com/en/activity/detail/special-segments-in-triangles_1
Sailing Away
In this activity, students will explore AAA and SSS relationships in triangles to support understanding of the concepts of triangle similarity and congruence.https://education.ti.com/en/activity/detail/sailing-away
Linear Modeling
This lesson involves modeling relationship between variables related to the operational cost of airplanes.https://education.ti.com/en/activity/detail/linear-modeling
Lines of Fit
This lesson involves informally fitting a straight line for a given data set that represents mean verbal and mathematics scores on SAT in 2004 across all 50 states and Washington, D.C.https://education.ti.com/en/activity/detail/lines-of-fit
How Does a Spring Scale Work?
In this lesson, teachers will use a spring to help students learn that the constant of proportionality between two proportional quantities is the unit rate of change.https://education.ti.com/en/activity/detail/how-does-a-spring-scale-work
Getting "A-Round" Area
This lesson involves using sectors of a circle to form a parallelogram and, from this shape, investigating the area formula for a circle.https://education.ti.com/en/activity/detail/getting-around-area
Quadratic Unit Activity #2: What's the Equation? Quadratic Functions
This is the second activity for the Quadratic Unit. This activity allows students to use sliders to match various quadratic functions in vertex form.https://education.ti.com/en/activity/detail/quadratic-unit-activity-2-whats-the-equation-quadratic-functions
Quadratic Unit Activity #3: What's My Quad Equation 2
This is the third activity in the Quadratic Unit. Students are to find the equation for each graph. All equations are in vertex form.https://education.ti.com/en/activity/detail/quadratic-unit-activity-3-whats-my-quad-equation-2
Hanging with the Incenter
In this activity, students will explore the angle bisector of the angles of a triangle. Students will discover that the angle bisectors are concurrent. The point of concurrency is the incenter. Students should discover the relationship between the type of triangle and the location of the point of...https://education.ti.com/en/activity/detail/hanging-with-the-incenter
Quadratic Unit Activity #7: Angry Birds
All the files in this unit are steps to the final activity-Angry Birds. Students are to find the values for a, b, and c in the vertex form of a quadratic function.https://education.ti.com/en/activity/detail/quadratic-unit-activity-7-angry-birds
Quadratic Unit Activity #8: Unit Test Part II
This part of the unit exam assesses student's ability to find the equations for quadratic graphs in vertex form.https://education.ti.com/en/activity/detail/quadratic-unit-activity-8-unit-test-part-ii
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. Optional geometric activities (problems 5 and 6 of the ....https://education.ti.com/en/activity/detail/perpendicular-slopes
Inscribed Angles Theorem
Students investigate the relationship between inscribed angles and central angles, the Inscribed Angle Theorem.https://education.ti.com/en/activity/detail/inscribed-angles-theorem_1
Inscribed Angles
Students use animation to discover that the measure of an inscribed angle is half the measure of its intercepted arc, that two angles that intercept the same, or congruent, arcs are congruent, and that an angle inscribed in a semi-circle is a right angle. They then discover that the opposite angl...https://education.ti.com/en/activity/detail/inscribed-angles_1
Back In Time?
Students will explore the definition of a function through use of a graph, a set of ordered pairs, and an input-output diagram.https://education.ti.com/en/activity/detail/back-in-time_1
Animating Graphs Part 2
Demonstrating how to animate 2d graphs using TI Nspire CAS Calculator.https://education.ti.com/en/activity/detail/animating-graphs-part-2
Interior Angles of Polygons
In the following activity, students discover the rule for finding the number of total degrees in the angles of a polygon. Students will use both the TI-Nspire and student worksheet to find the rule and will apply it in predictions.https://education.ti.com/en/activity/detail/interior-angles-of-polygons_1
Visualizing Equations
Deepen understand of solving linear equations by maintaining balance.https://education.ti.com/en/activity/detail/visualizing-equations
Animating 3D Graphics using Ti Nspire CAS (CX)
Demonstrating how to animate a 3d graph using your CAS or Nspire calculator.https://education.ti.com/en/activity/detail/animating-3d-graphics-using-ti-nspire-cas-cx
Intersecting Lines and Segment Measures
Explore the relationship between intersecting lines and the measures of various segments on those lines.https://education.ti.com/en/activity/detail/intersecting-lines-and-segment-measures
Using Sliders and Parameters in Linear Functions
Students will have the opportunity to see the impact of the slope parameter m on a graph of a line in slope-intercept form by using a slider or by changing the values of the parameter. They will have the same opportunity to manipulate b. Questions follow to determine the degree to which the stude...https://education.ti.com/en/activity/detail/using-sliders-and-parameters-in-linear-functions
Chicago Chase Activity
In this activity, students will predict qualifying speeds and tire wear.https://education.ti.com/en/activity/detail/chicago-chase-activity
Similarity with Shadows
Students use the measurement of their height/shadows and similar triangles to find the height of tall objects.https://education.ti.com/en/activity/detail/similarity-with-shadows
Chirp, Jump, Scatter
In this activity, students will find a best fit line for data graphed as scatter plots. Applications of linear relationships provide motivation for students and improve their skills and understanding of finding the equation of a line from two known points. Movable lines make this activity approac...https://education.ti.com/en/activity/detail/chirp-jump-scatter_1