Rhombi, Kites, and Trapezoids
Students discover properties of the diagonals of rhombi and kites, and the properties of angles in rhombi, kites, and trapezoids.https://education.ti.com/en/activity/detail/rhombi-kites-and-trapezoids_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
Balancing Equations
This lesson involves understanding what it means for an equation to be balanced in the process of solving linear equations with one variable.https://education.ti.com/en/activity/detail/balancing-equations
Where is the Point?
Students are introduced to the Cartesian plane.https://education.ti.com/en/activity/detail/where-is-the-point
Supertall Skyscrapers
In this activity, students use their handhelds to measure scale drawings of famous “supertall” skyscrapers. They first check that the Sears Tower is drawn to scale and then use their measurements to calculate that scale. Next, they write and solve proportions to find the heights of other skyscrap...https://education.ti.com/en/activity/detail/supertall-skyscrapers
Soda Problem: Finding the relationship between Sodium and Sugar
The students will use nutrition label data of certain sodas to create and analyze a scatterplot of the amount of sodium versus the amount of sugar in various soft drinks. They will put the data into lists, create scatterplots, discuss correlations, acquire the line of best fit, and predict other...https://education.ti.com/en/activity/detail/soda-problem-finding-the-relationship-between-sodium-and-sugar
Mystery Point!
Students will discover the nature of the 'Mystery Point' in a triangle. The Mystery Point is a triangle center, constructed through algebraic and vector means, so students can not "un-hide" the construction to discover the center. The students will have to test various center constructions to dis...https://education.ti.com/en/activity/detail/mystery-point
The Impossible Task
Students are given a manufacturing situation and asked to write and graph inequalities to represent it and find the solutions.https://education.ti.com/en/activity/detail/the-impossible-task_1
Geometry: Exploring Quadrilaterals
Drag the verices of a quadrilateral and build the different types; focus on the properties of these different figures, and finally put it all together to identify different quadrilaterals from their properties.https://education.ti.com/en/activity/detail/geometry-exploring-quadrilaterals
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
Pledge Plans: An Exploration of Linearity
A brief overlook of slope linearity and how it is applied to graphs and real life situations.https://education.ti.com/en/activity/detail/pledge-plans-an-exploration-of-linearity
Exploring Parabolas
Students will explore the parabola by investigating links between its standard equation form and its graph. Students will also discover the axis of symmetry and the vertex of a parabola.https://education.ti.com/en/activity/detail/exploring-parabolas
Pledge Plans: An Exploration of Linearity
A brief overlook of slope and how it is applied to real-life situations.https://education.ti.com/en/activity/detail/pledge-plans-an-exploration-of-linearity_1
Points & Lines & Slopes (Oh My!)
In this activity, students will use coordinates to better understand that relationship, as well as the relationship between coordinates of points and their quadrant locations, slopes and y-intercepts, and parallel and perpendicular lines.https://education.ti.com/en/activity/detail/points--lines--slopes-oh-my_ns_ib
Dinner Party
Students investigate the total cost of a private party at three restaurants and then model the cost of a party at each restaurant with the graph of a linear function.https://education.ti.com/en/activity/detail/dinner-party_1
Printing Your Own Books - is it more cost effective?
In this activity, students will create functions based on real-life scenarios, fill out a table of values, and critically analyze characteristics of graphs.https://education.ti.com/en/activity/detail/printing-books
Investigating the Angles of a Triangle
The following will find the sum of the interior angles of a triangle and the sum of the remote interior angles of a triangle. Students can then change the type of triangle. The student will see that the sum of the interior angles is always 180 degrees. Also, the student will see that the sum of t...https://education.ti.com/en/activity/detail/investigating-the-angles-of-a-triangle
Factoring Trinomials Part 1
Use tiles to factor trinomials such as x2 + 5x + 6.https://education.ti.com/en/activity/detail/factoring-trinomials-part-1
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
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
Applications of Equations
Students will apply equations to a real-world problem about the number of people attending a museum. They will study the parts of an equation that represents the situation. Then, students will use a dynamic model to find the solution to the equation and interpret what the result means in the real...https://education.ti.com/en/activity/detail/applications-of-equations
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
Area "FOILed" Again!
Students practice finding rectangular areas with algebraic expressions for the lengths of the sides.https://education.ti.com/en/activity/detail/area-foiled-again_1
Any 2 Points Make A Line
Students will use the TI-nspire to plot 2 points then draw the line through them. Students will find coordinates, calculate slope for diagonal , vertical and horizontal lines, then verify results using menu choices on their handheld. This activity has a student worksheet that questions students a...https://education.ti.com/en/activity/detail/any-2-points-make-a-line