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Classroom Activities Author Level Technology

Limits of Rational Functions

In this activity, students will use limit notation and intercepts to describe rational functions given in analytic form for a partner to sketch a graph.

  • 9-12
  • TI-84 Plus CE Family
  • TI-Nspire™ CX/CX II
0

Dash, Watch out for Rover

In this activity, challenge students to take measurements,  determine patterns, make predictions  using the Dash robot to complete a task. 
  • 6-8
  • 9-12
  • TI-84 Plus CE Family
  • TI-84 Plus CE Python
  • TI-Nspire™ CX/CX II
0

Meet the Dash

Create Python programs to make it come to life with the TI Bluetooth® Adapter and your compatible TI graphing calculator.
  • 6-8
  • 9-12
  • TI-Nspire™ CX II
  • TI-Nspire™ CX/CX II
  • TI-84 Plus CE Python
  • TI-84 Plus CE Family
0

Cybersecurity 7- Pick the Lock

This bonus activity challenges students to put all the concepts they’ve learned together in order to successfully pick a micro:bit lock. Will your students be able to discover what’s locked away inside the old treasure chest?
  • 9-12
  • TI-84 Plus CE Python
  • TI-Nspire™ CX/CX II
  • TI-84 Plus CE Family
0

Four Square with a Tello Drone

Students will use Python to play a game of four square with Tello Drone and a TI graphing calculator. Students should have completed "Getting your wings" prior to this activity. 
  • 9-12
  • TI-84 Plus CE Python
  • TI-Nspire™ CX/CX II
0

Getting Your Wings - Tello Drone

Prepare to take flight! In this activity, students will learn to program a Tello Drone using Python. 
  • 9-12
  • TI-84 Plus CE Python
  • TI-Nspire™ CX II
0

Cybersecurity 2 - Channel Surfing

Inspired by Hedy Lamarr’s revolutionary work, this activity builds on the concepts learned in Activity 1 and introduces students to frequency hopping. Students will learn the method of hiding radio messages by transmitting bits and pieces over several radio channels until an entire message has been sent, making it very difficult for an eavesdropper to intercept them.
  • 9-12
  • TI-84 Plus CE Python
  • TI-84 Plus CE Family
  • TI-Nspire™ CX II
2

Cybersecurity 4- What's Your Password?

Building on the concepts learned in Activity 3, students will learn about obfuscating passwords through a method known as “hashing.” This security function shows students how a plaintext password can be scrambled and encrypted by a hashing function, such as SHA-256, in such a way that makes it unreadable to hackers.
  • 9-12
  • TI-84 Plus CE Python
  • TI-84 Plus CE Family
  • TI-Nspire™ CX/CX II
1

Cybersecurity 5 - Turn the (Rainbow) Tables

Building on the concepts learned in Activity 4, it’s up to the student hacker to turn the tables by working out the method for hacking SHA-256 password encryption.The student hacker must search a rainbow table, which is comprised of precomputed hashes from known and frequently used passwords, to decrypt the hashed password they’ve stolen.
  • 9-12
  • TI-84 Plus CE Python
  • TI-84 Plus CE Family
  • TI-Nspire™ CX/CX II
0

Cybersecurity 3 - Hail, Caesar!

Building on the concepts learned in Activity 2, this activity introduces students to Caesar ciphers. Students will experiment with encoding messages by using a Caesar shift, which is used to switch up the order of letters in the alphabet to transform plaintext into a ciphertext.
  • 9-12
  • TI-84 Plus CE Family
  • TI-84 Plus CE Python
  • TI-Nspire™ CX II
  • TI-Nspire™ CX/CX II
0

Cybersecurity 6- Brute Force

Building on the concepts learned in Activity 5, the student hacker will now attempt a brute force attack to decrypt the hashed password. The students will observe the key differences between this and the rainbow table method.
  • 9-12
  • TI-84 Plus CE Python
  • TI-Nspire™ CX/CX II
  • TI-84 Plus CE Family
0

Cybersecurity 1: All Clear

Activity 1 introduces students to “cleartext” messaging. Students will send messages between two micro:bit radios on one of 83 radio channels using plaintext characters, referred to as cleartext. The “student hacker” will attempt to eavesdrop on the conversation by listening in on the same channel.
  • 9-12
  • TI-84 Plus CE Python
  • TI-Nspire™ CX/CX II
  • TI-84 Plus CE Family
2

AP Precal Live: Periodic Functions

In this AP Precalculus Live session, we will explore periodic functions and their characteristics.
  • 9-12
  • TI-Nspire™ CX/CX II
  • TI-84 Plus CE Family
10

AP Precal Live: New Functions from Old

In this AP Precalculus Live session, we will explore inverses, transformations, and compositions.
  • 9-12
  • TI-84 Plus CE Family
  • TI-Nspire™ CX/CX II
5

AP Precal Live: Rational Functions

In this AP Precalculus Live session, we will explore several examples on finding zeros, holes, vertical asymptotes, and end behavior of rational functions.
  • 9-12
  • TI-84 Plus CE Family
  • TI-Nspire™ CX/CX II
16