Technology Problem of the Week Logo Challenging problems based on our Problems of the Week that take advantage of interactive 
math tools TI-Nspire


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What is a TI-Technology PoW?
TI-Technology Problems of the Week (TI-PoWs) are freely accessible problem-solving challenges modeled on the Math Forum's Problems of the Week that take advantage of the TI-Nspire™. Students are invited to use the link "Submit your answer" to share their solutions, and then "self-mentor" using specially designed hints, checks, and suggestions for extensions.

New Noticing and Wondering Activities developed during the T3 International Conference at our booth in Seattle:

ferris_wheel.tns.zip || gear_ratio.tns.zip || midpoint_quad.tns.zip

Notice: tPoWs will be moved in the next month or so to our new Problems of the Week system. Feel free to use the problems and the applets. However, if your students submit work online in this old tPoW environment, we will not be copying that work into our new service. Let us know if you will need copies.

TI-PoW: Caliyah's Cart
Figure out the maximum number of items Caliyah can buy, keeping in mind certain restrictions on weight and cost.

Connected Activities

Exploring Linear Programming
TI-PoW: Chirp! Chirp!
Find the temperature when a cricket chirps a certain number of times a minute.

Noticings and Wonderings

Doing it Wrong

TI-PoW: Mauna Loa
Use your TI-Nspire™ and the monthly measurement data for 1958 through 2008 from Mauna Loa to predict the CO2 level for a given month.
Mauna Loa Data [zip file]
TI-PoW: A Phone-y Deal
Compare two cell phone pricing plans to determine for how many minutes of calls per month each one is the better deal.
 
TI-PoW: Sam and Teri's Bank Accounts
Consider this scenario and question: Sam and Teri have bank accounts. Sam always withdraws money; Teri always saves it. When will they have equal balances -- or will they ever?
 

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