Parallel Lines Cut By A Transversal
In this activity, students learn and increase their knowledge about the angles formed when parallel lines are cut by a transversal. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathematical arguments about geometric re...https://education.ti.com/en/activity/detail/parallel-lines-cut-by-a-transversal_1
NUMB3RS - Season 3 - "Traffic" - What is Random
In "Traffic", Charlie lectures about randomness, explaining that 'our brains misperceive evenness as random and wrongly assume that groupings are deliberate'. In mathematics, we expect to see some clustering, or an occasional appearance of a pattern, when examining truly random events. In this ac...https://education.ti.com/en/activity/detail/numb3rs--season-3--traffic--what-is-random
Parallel Lines Cut by a Transversal
Using Activity Center, students can move on a picture of a pair of parallel lines cut by a transversal to answer teacher questions related to the picture. The picture is set up so that it is on the screen of the student calculator as well as the classroom display.https://education.ti.com/en/activity/detail/parallel-lines-cut-by-a-transversal
NUMB3RS - Season 3 - "The Art of Reckoning" - Spies Like Us
In "The Art of Reckoning," Charlie discusses the security of a prison. "It's a hyper-secure system, but prisoners have nothing to do except think about how to crack it. Like two opposing armies." Charlie explains that analyzing such a situation involves determining the 'probabilities of penetrati...https://education.ti.com/en/activity/detail/numb3rs--season-3--the-art-of-reckoning--spies-like-us
NUMB3RS - Season 3 - "Take Out" - Outliers
In "Take Out," Amita and Charlie help the FBI track financial transfers from the US to Mexico . There are so many transfers that it is difficult to find the specific transfer. Charlie explains that it is 'a matter of using a target-specific optimization model. Something called Outlier Detection.'...https://education.ti.com/en/activity/detail/numb3rs--season-3--take-out--outliers
Opposite Angles in a Cyclic Quadrilateral
This activity uses Cabri™ Jr. to discover that opposite angles in a cyclic quadrilateral are supplementaryhttps://education.ti.com/en/activity/detail/opposite-angles-in-a-cyclic-quadrilateral
F Distribution
Students study the characteristics of the F distribution and discuss why the distribution is not symmetric (skewed right) and only has positive values.https://education.ti.com/en/activity/detail/f-distribution
Properties of Parallelograms
Students will use Cabri Jr. to construct a parallelogram. They discover three properties of parallelograms in this activity: opposite sides are congruent, opposites angles are congruent, and diagonals bisect each other.https://education.ti.com/en/activity/detail/properties-of-parallelograms_6
Properties of Reflections
I use this activity in the beginning of the school year when introducing terminology such as angles, lines, segments, measures, perpendicular etc. The original material is from the SIMMS Integrated Mathematics Using Technology, I have adapted the activities to fit my objectives. Students have be...https://education.ti.com/en/activity/detail/properties-of-reflections
How Far Am I Off?
Students calculate a confidence interval using the chi-square distribution to estimate a population variance.https://education.ti.com/en/activity/detail/how-far-am-i-off
Points on a Perpendicular Bisector
Students will explore the relationship between a line segment and its perpendicular bisector. Once the concept of a point that is equidistant from two points is illustrated, extensions including isosceles triangles, kites, and chords in a circle may be explored.https://education.ti.com/en/activity/detail/points-on-a-perpendicular-bisector_1
Points on the Perpendicular Bisector of a Segment
In this activity, students use the drawing and measurement tools of Cabri™ Jr., to learn and understand the concept of "equidistant from the endpoints of a segment." They observe the changes if they move a point on the perpendicular bisector. NCTM Geometry Standard covered: Analyze characteristic...https://education.ti.com/en/activity/detail/points-on-the-perpendicular-bisector-of-a-segment
Heads Up! (continued)
In this activity, students explore how to write and enter a calculator program that will simulate coin tossing for a given number of times and count the number of heads and tails. They analyze the program and modify it.https://education.ti.com/en/activity/detail/heads-up-continued
Polygon Area
Students will compare areas of different polygons with a fixed perimeter and find the shape that gives the maximum areahttps://education.ti.com/en/activity/detail/polygon-area
Proof of the Pythagorean Theorem using Transformations
In this activity, students will explore visual proofs of the Pythagorean Theorem using area and transformations. They will use the Cabri™ Jr. app to perform translations on the squares constructed on the two legs and the hypotenuse of a right triangle to consolidate their understanding of the Pyt...https://education.ti.com/en/activity/detail/proof-of-the-pythagorean-theorem-using-transformations
Geometric Distributions
Students simulate a geometric distribution of rolling a die to determine experimental probabilities and calculate theoretical probabilities.https://education.ti.com/en/activity/detail/geometric-distributions
Working with Point Rotations in the Coordinate Plane
Using Cabri Jr. and the properties of rotations to get a true understanding of how a figure is rotated about a point.https://education.ti.com/en/activity/detail/working-with-point-rotations-in-the-coordinate-plane
Probability Simulations
In this activity, students use the random integer (randInt) command to simulate probability experiments. They also graph the number of trials and corresponding probabilities to observe the Law of Large Numbers. Simulated experiments involve tossing a coin, spinning a spinner, and observing the se...https://education.ti.com/en/activity/detail/probability-simulations
Plotting a Normal Curve
This activity introduces students to the graph of the normal curve and the affect of changing the standard deviation on the shape of the graph. Students, with the aid of their TI calculators and TI-Navigator system, each find ten random numbers from a normal distribution whose mean is 12 and whos...https://education.ti.com/en/activity/detail/plotting-a-normal-curve
Angles in Circles
The student will use the Cabri Jr. APP to discover the relationship between inscribed and central angles in a circle.https://education.ti.com/en/activity/detail/angles-in-circles
Altitude, Median, and Angle Bisector of a Triangle
In this activity, you will construct special segments of a triangle named altitudes, medians, and angle bisectors, using their definitions. You will look at how an altitude, a median, and an angle bisector divide the area of a triangle.https://education.ti.com/en/activity/detail/altitude-median-and-angle-bisector-of-a-triangle
Plotting a Binomial Probability Distribution Curve
This activity introduces students to the graph of a binomial probability distribution and the affect of changing the probability of success on the shape of the graph. Students, with the aid of their TI calculators and TI-Navigator system, each find ten random numbers from a binomial distribution ...https://education.ti.com/en/activity/detail/plotting-a-binomial-probability-distribution-curve
Angle Bisectors and Medians of Quadrilaterals
In this activity, students will construct angle bisectors and medians in quadrilaterals and explore the properties that appear to be true for four-sided figures. They may find it necessary to review the definitions and properties of special quadrilaterals in order to construct the figures.https://education.ti.com/en/activity/detail/angle-bisectors-and-medians-of-quadrilaterals
Angles and Transversals
Students explore the relationships of angles formed when two parallel or non-parallel lines are cut by a transversal. This activity investigates the terms: Transversal, corresponding angles, alternate interior angles, alternate exterior angles, same-side interior angles, and same-side exterior an...https://education.ti.com/en/activity/detail/angles-and-transversals
NUMB3RS - Season 3 - "Longshot" - Expected Value
...ations were designed to pick the second place finisher. He explains that the racetrack uses a pari-mutuel betting system, in which the odds vary depending on the amounts wagered. In this activity, students will study the concept of pari-mutuel betting and expected value in the context of land cla...https://education.ti.com/en/activity/detail/numb3rs--season-3--longshot--expected-value