Properties of Quadrilaterals
The students will investigate the properties of a parallelogram, rhombus, rectangle, square, kite, trapezoid, and isosceles trapezoid by using the measurement tools of the TI-Npsire. The students will record their results on the chart. The time for the activity will vary based on the ability of...https://education.ti.com/en/activity/detail/properties-of-quadrilaterals
Exterior Angle Sum Theorem
This activity illustrates the exterior angle sum theorem by taking regular polygons with an exterior angle constructed, one at each vertex, and pulling all the vertices together to show that all exterior angles form a circle.https://education.ti.com/en/activity/detail/exterior-angle-sum-theorem
Mystery Quadrilateral!
This activity could be used as an assessment after a unit on special quadrilaterals. Students are given an unknown mystery quadrilateral that looks like a square. By dragging the vertices of the mystery quadrilateral, students conjecture the true name of the quadrilateral. Students support their ...https://education.ti.com/en/activity/detail/mystery-quadrilateral
Square Root Spiral and Function Graphs
In this activity, students will investigate the spiral formed by square roots of consecutive numbers, numerical approximations for square roots, the plot of the square root spiral arm lengths, and the graph of the square root function.https://education.ti.com/en/activity/detail/square-root-spiral-and-function-graphs
Polythagoras
This activity explores (a) relationships among non-square regular polygons constructed on the sides of a right triangle and (b) visual and numerical proofs of the Pythagorean Theorem using rotations and non-square polygons.https://education.ti.com/en/activity/detail/polythagoras
The German Tank Problem
Students will develop an understanding of sampling distributions by exploring the methods used to estimate the number of German tanks in existence during WWIIhttps://education.ti.com/en/activity/detail/the-german-tank-problem
Area of a Triangle
The student will use three methods for finding the area of a triangle. They will find the area using the determinant of a matrix, two sides and the included angle (trig) and Heron's formula (three sides).https://education.ti.com/en/activity/detail/area-of-a-triangle
Modeling Engine Power
In this activity, students use the TI-Nspire handheld to determine if a linear model or a quadratic model best fits a set of given data involving engine power. Students look at the pattern of data points and the sum of squares of the deviations to determine which model fits the data.https://education.ti.com/en/activity/detail/modeling-engine-power
T³™ Regional Summit: Colorado| Texas Instruments
...n 7 | Middle School Advanced Math: Using TI-Nspire™ CX Technology to Dive Deeper Into 7th and 8th Grade TEKS Use technology to bring the TEKS together for 7th and 8th grade math. Review technology skills including calculator basics, solving equations, graphing and data analysis. Expl...https://education.ti.com/en/t3-professional-development/for-teachers-and-teams/regional-summits/2025-south-texas-summit
Pyramid Height Exploration
This activity center is used to illustrate the difference between the slant height and the actual perpendicular height (of the given square pyramid) by the use of the distance formula.https://education.ti.com/en/activity/detail/pyramid-height-exploration
Trisecting a Square
Students will determine several ways to trisect a square. They will use Cabri Jr. to verify the square has been trisected and then prove their trisection using postulates and theorems from geometry.https://education.ti.com/en/activity/detail/trisecting-a-square
What is Linear Regression?
In this activity, students will explore finding the line of best fit based on the sum of the squares of the residuals and determine what the linear regression line is.https://education.ti.com/en/activity/detail/what-is-linear-regression
Approximation of Pi Using Statistical Testing
Students will use a Monte Carlo method to collect data. This data, along with an area model of pi, will be used to approximate pi.https://education.ti.com/en/activity/detail/approximation-of-pi-using-statistical-testing
Polynomial Multiplication
This StudyCards™ set shows that the product of linear functions (polynomial) is usually quadratic. Students discover the exact product and more traditional methods for multiplying polynomials. Use with Foundations for College Mathematics, Ch. 3.3.https://education.ti.com/en/activity/detail/polynomial-multiplication
Solve Linear Equation
This StudyCards™ set begins with "what is an equation?" and continues with solving linear equations using the graph of the related linear function(s), the trace and zeros methods. Use with Foundations for College Mathematics, ch. 5-1.https://education.ti.com/en/activity/detail/solve-linear-equation
More difficult factoring
To check sign placement for factoring of trinomials when the coefficient in front of the x square is greater than one and the signs are different.https://education.ti.com/en/activity/detail/more-difficult-factoring
Breaking Up Over Model Bridges
The learning objective of this activity is to introduce the concept of reciprocal functions having the form: xy = k or y = f(x) = k/x, where k is a constant and x and y are variables. In Part I, twelve one inch paper squares arranged in various rectangles illustrate that length x width = 12 sq...https://education.ti.com/en/activity/detail/breaking-up-over-model-bridges
Direct Variation with Powers: Surface Area and Volume
Students find the approximate surface area and volume of an apple, measuring circumference 3 ways, using the mean of the measurements to find the radius. Each students enters the results in a Table on the board.https://education.ti.com/en/activity/detail/direct-variation-with-powers-surface-area-and-volume