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.

Create a free tPoW account.

Problem Solving and Communication Activities

Tool: Ferris Wheel Notice/Wonder
Math Forum Teacher Packet: TI Activity: Ferris Wheel
Students write what they notice and wonder about a person riding a Ferris wheel, and then use TI-NspireTM technology to measure quantities and develop a mathematical model describing the situation.
 
Tool: Midpoint Quadrilateral Notice/Wonder
Math Forum Teacher Packet: TI Activity: Midpoint Quadrilateral
Students write what they notice and wonder about a midpoint quadrilateral, and then use TI-NspireTM technology to add auxiliary lines and justify their conjectures about the midpoint quadrilateral.

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

Connected Activities
[TI-Nspire files]

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

Noticings and Wonderings

Doing it Wrong

TI-PoW: Mauna Loa
Teacher Packet
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
Teacher Packet
Compare two cell phone pricing plans to determine for how many minutes of calls per month each one is the better deal.
A Phone-y Deal: Make a Mathematical Model
TI-PoW: Sam and Teri's Bank Accounts
Teacher Packet
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?
Sam and Teri's Bank Accounts: Make a Mathematical Model

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