Ratios of Similar Triangles
In this activity, students will explore two ways of comparing side lengths of similar triangles. They will calculate ratios and change the triangles to see how the ratio changes. Then they will write proportions using the ratios.https://education.ti.com/en/activity/detail/ratios-of-similar-triangles_1
How to Find the Center of a Circle Determined by Three Non-Collinear Points
The activity demonstrates the geometric construction of the center of a circle determined by 3 non-collinear points using the TI-Nspire calculator. The activity along with the Problem 3 worksheet guides the novice user to perform the task using the TI-Nspire handheld. Several of the calculator t...https://education.ti.com/en/activity/detail/how-to-find-the-center-of-a-circle-determined-by-three-noncollinear-points
Representing the Solution Process by Graphing
In this activity, students will explore the relationships in equations. Students will validate inquiries by graphing expressions from both sides of an equation. Students will rationalize the characteristics of graphing equations. At the Pre-Algebra level, this activity can be used to compare equ...https://education.ti.com/en/activity/detail/representing-the-solution-process-by-graphing
Exploring Transformations
Explore transformations of an absolute value function.https://education.ti.com/en/activity/detail/exploring-transformations
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
Factoring Special Cases
Students explore geometric proofs for two factoring rules: a2 + 2ab + b2 = (a + b)2 and x2 – a2 = (x – a)(x + a). Given a set of shapes whose combined areas represent the left-hand expression, they manipulate them to create rectangles whose areas are equal to the right-hand expression.https://education.ti.com/en/activity/detail/factoring-special-cases_1
Inscribed and Central Angles in a Circle
This activity explores the relationship between inscribed angles subtended by the same minor arc. The second problem explores the relationship between inscribed angles and central angles subtended by the same minor arc.https://education.ti.com/en/activity/detail/inscribed-and-central-angles-in-a-circle
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
Balanced Systems of Equations
A solution to a system of equations is an ordered pair that makes both equations true at the same time.https://education.ti.com/en/activity/detail/balanced-systems-of-equations
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
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
Interior Angles of Regular Polygons
Explore the interior angles of regular polygons by dividing the polygons into triangles.https://education.ti.com/en/activity/detail/interior-angles-of-regular-polygons
Algebra Nomograph
This activity is similar to a function machine. The nomograph is comprised of two vertical number lines, input on the left and output on the right. The transformation of input to output is illustrated dynamically by an arrow that connects a domain entry to its range value. Students try to find th...https://education.ti.com/en/activity/detail/algebra-nomograph
Trains in Motion
Compare and contrast the motion of two objects and how it corresponds to distance as a function of time.https://education.ti.com/en/activity/detail/trains-in-motion_1
Transformations of a Quadratic Function
Explore transformations of a quadratic function.https://education.ti.com/en/activity/detail/transformations-of-a-quadratic-function
Transformations of Functions 1
This lesson investigates vertical and horizontal translations of a function.https://education.ti.com/en/activity/detail/transformations-of-functions-1
Transformations of Functions 2
Investigate vertical stretches and reflections through the x-axis of a function.https://education.ti.com/en/activity/detail/transformations-of-functions-2
Charlotte Chase Activity
In this activity, students will create and analyze graphs and investigate how temperature and pressure are related.https://education.ti.com/en/activity/detail/charlotte-chase-activity
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
We've Got You Covered: 2D Area
This lesson involves using the geometry tools to measure the area of two-dimensional shapes from the faces of three-dimensional objects they see in pictures taken outside of the classroom.https://education.ti.com/en/activity/detail/weve-got-you-covered-2d-area
What's Right about Triangles
This lesson involves examining a visual proof of the Pythagorean Theorem and supporting what happens geometrically.https://education.ti.com/en/activity/detail/whats-right-about-triangles
Say It With a Survey
This lesson involves using given bivariate and multivariate categorical data to display bar charts and construct two-way tables.https://education.ti.com/en/activity/detail/say-it-with-a-survey
Transformers in the Classroom
This lesson involves digitizing an image and transforming it on a graph.https://education.ti.com/en/activity/detail/transformers-in-the-classroom
Texas Chase Activity
In this activity, students will look at g-forces and predicting the Sprint Cup champion using trend lines.https://education.ti.com/en/activity/detail/texas-chase-activity