Triangle Inequality Theorem
Given the measures of any three segments, will you always be able to make a triangle?https://education.ti.com/en/activity/detail/triangle-inequality-theorem
Cyclic Quadrilaterals
Explore the relationship between chords of a circle and their perpendicular bisectors.https://education.ti.com/en/activity/detail/cyclic-quadrilaterals
Proportional Segments
The purpose of this activity is to investigate the relationship between segments formed by drawing a line parallel to one side of a triangle or by drwing and angle bisector of one the angles.https://education.ti.com/en/activity/detail/proportional-segments
Exploring the Formula for Area of a Triangle: How was it Derived?
This activity is designed to be paperless. The entire lesson is written to be placed in the Nspire. Students will explore how the formula for area of a triangle works and why it works, they will also explore altitudes and medians of triangles.https://education.ti.com/en/activity/detail/exploring-the-formula-for-area-of-a-triangle-how-was-it-derived
Are all Constructions Created Equal?
This activity is designed to give preservice teachers an introduction to the circle, compass and line tools in the Graphs & Geometry application of the TI-NSpire. The set of four investigations are designed to provide them with ideas on how to assess geometric constructions by identifying the dif...https://education.ti.com/en/activity/detail/are-all-constructions-created-equal
Triangle: Side Lengths and Angle Measures
The main purpose of this activity is to allow students to use TI-Nspire or TI-Nspire CAS to explore and decide which sides and angles of a triangle are the smallest and which are the largest.https://education.ti.com/en/activity/detail/triangle-side-lengths-and-angle-measures
Simple Inequalities on a Number Line
Observe the differences in the graphs when , and ≥ are used.https://education.ti.com/en/activity/detail/simple-inequalities-on-a-number-line
Investigating Triangles and Congruence
The main purpose for this activity is to explore triangles with pairs of corresponding congruent sides and a congruent nonincluded angle.https://education.ti.com/en/activity/detail/investigating-triangles-and-congruence
Multiplying Inequalities by Negative Numbers
Investigate the effect of multiplying the numbers on a number line by a negative number.https://education.ti.com/en/activity/detail/multiplying-inequalities-by-negative-numbers
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
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
Chicago Chase Activity
In this activity, students will predict qualifying speeds and tire wear.https://education.ti.com/en/activity/detail/chicago-chase-activity
One and One Equals Win
This lesson involves using proportionality and a basic understanding of probability to make and test conjectures about the results of experiments and simulations.https://education.ti.com/en/activity/detail/one-and-one-equals-win
Composite Rectangular Figures
Students will find the perimeter and area of a composite rectangular figure. They will explain how to find the measures (lengths) of unknown sides as well as the area of the entire polygon by dividing the figure into smaller rectangular figures.https://education.ti.com/en/activity/detail/composite-rectangular-figures
Z-Scores
This lesson involves finding the area under the standard normal curve with mean 0 and standard deviation 1 for a given distance from the mean and compare this to the area under the curve for another member of the family of normal curves.https://education.ti.com/en/activity/detail/zscores
Interpreting R -squared
This lesson involves predicting values of a particular variable.https://education.ti.com/en/activity/detail/interpreting-r-squared
What’s Normal, Anyway?
In this activity, students explore the normal distribution and several of its most interesting properties. First, they use a histogram of data from a binomial experiment to examine the general shape of a normal curve. Then, they use a dynamic illustration to make observations, using sliders to ch...https://education.ti.com/en/activity/detail/whats-normal-anyway
What’s My Model?
Students will investigate several different regression models and determine which of the models makes the most sense, based upon a real-world situation (cooling a cup of hot chocolate).https://education.ti.com/en/activity/detail/whats-my-model
Computing with Mathematical Formulas
Evaluate formulas for given values of a variable.https://education.ti.com/en/activity/detail/computing-with-mathematical-formulas
Zeros of a Cubic
This activity introduces students to a relationship between the zeros of a cubic function with 3 distinct zeros.https://education.ti.com/en/activity/detail/zeros-of-a-cubic
Graphic Designing with Transformed Functions
Create an image using transformed functions with restricted domains.https://education.ti.com/en/activity/detail/graphic-designing-with-transformed-functions
Watch Your P' and Q's
Students use the Rational Zero Theorem to find all rational zeros of a polynomial.https://education.ti.com/en/activity/detail/watch-your-p-and-qs
Solving Systems of Equations Check
This is just a Nspire file that affords the teacher some flexibility in terms of approach. It consists of ten problems with simple substitution.https://education.ti.com/en/activity/detail/solving-systems-of-equations-check
Solve Systems of Equations Activity Part 2
This activity was created to try to make solving systems more engaging for students by using images from three major movies.https://education.ti.com/en/activity/detail/solve-systems-of-equations-activity-part-2
End Behavior of Polynomial Functions
Students will use a slider to scroll through the graphs of power functions with a coefficient of positive and negative 1 and determine similarities and differences among the functions. Students will generalize the end-behavior properties of various power functions.https://education.ti.com/en/activity/detail/end-behavior-of-polynomial-functions