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Mr. Smith from San Lorenzo CA is requesting Technology through DonorsChoose, the #1 classroom funding site for teachers.

Math In Motion: Spring To Action & Follow the Bouncing Ball!

My students need 2 calculator-based motion sensors (TI-CBR2s).

  • $378 goal

Hooray! This project is fully funded

Hooray! This project is fully funded

Help me get students to see math in the world around them! I teach Algebra I and Algebra II to high school students, many of which come from under served communities. Our charter school holds high expectations of them, and they are highly motivated young adults.

But for them to receive the high-quality, college-preparatory education they deserve and desire, they should have access to the technology and learning experiences that will give them a taste of what college-level education can offer. My students need a math education that gets them out of their seats, allows them to make connections to other subjects (like science!), and generally gets them to see how math can help them understand the world around them.

The solution, in small part, can come from having a couple of calculator-based rangers (CBRs). These devices connect to the graphing calculators we already have, and measure and record real-world motion data, like distance, speed, and acceleration. I can use the CBRs to not only engage all my students in dynamic, activity-based learning, but all the while address California state standards. With the Algebra I students, we can do experiments with springs that explore Hooke's Law while learning how to graph linear equations, and we can track the motion of a free-falling object to learn how quadratic equations can apply to such physical situations. For the Algebra II students, I plan to have them use the CBRs to track the motion (rebound heights) of a bouncing ball. They can use the data from those heights to explore the topic of sequences and series, and even create authentic graphs for exponential decay functions. These devices can be used for years to come, and for a variety of projects and activities - what I've outlined here is just a sample.

Your help will give my students the ability to practice and gain skills in real-world data collection and interpreting those data. These are certainly skills they should have as college-ready students, and are skills that will continue to serve them well as adults after they graduate. Not only that, but you'll be helping me integrate some fun, activity-based learning into a math classroom!

Mr. Smith
Grades 9-12
More than half of students from low‑income households

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2 donors2 donors have given to this project.

This project will reach 106 students.

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Expand the "Where your donation goes" section below to see exactly what Mr. Smith is requesting.

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Where Your Donation Goes

Materials Cost Quantity Total
TI Calculator-Based Ranger™ (CBR2™) System • Nasco $126.50 2 $253.00

Materials cost

$253.00

Vendor shipping charges

$25.30

State sales tax

$18.34

3rd party payment processing fee

$3.80

Fulfillment labor & materials

$9.00

Total project cost

$309.44

Suggested donation to help DonorsChoose reach more classrooms

$67.93

Total project goal

$377.37

How we calculate what's needed

Total project goal

$377.37

1 Donor

-$188.69

Donations toward project cost

-$154.73

Donations to help DonorsChoose reach more classrooms

-$33.96

match offer

-$188.67

Match offer toward project cost

-$154.71

Match offer to help DonorsChoose reach more classrooms

-$33.96

Excluded support for DonorsChoose

-$0.01

Still needed View calculationHide calculation

$0.00

Our team works hard to negotiate the best pricing and selections available.

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Project Activity

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