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Mrs. Friederich from Postville IA is requesting Technology through DonorsChoose, the #1 classroom funding site for teachers.

Calculating in Chemistry

My students need 20 TI-30Xa Scientific Calculators.

  • $352 goal

Hooray! This project is fully funded

Hooray! This project is fully funded

You want me to calculate the number of moles in a block of aluminum; this is going to take some serious calculating! I am a high school science teacher at a a low-income school, with high diversity and many English-Language Learners. Over half of our students are on free and reduced lunches. One subject I teach is Chemistry. My Chemistry students range from 10-12 graders.

In this class, I ask students to have calculators handy for whatever the daily lesson plan may throw at them. However, many students can not afford calculators. I have a few of my own that I leave out for students to use, but there is not always enough to go around.

I am asking for 20 TI 30Xa calculators to keep in my classroom. Having these calculators in my classroom would allow all my students to have access to calculators. Students would be able to use these calculators in class for daily work, quizzes, tests, and labs. Also, because these would be available in my room, students could come in before school, during study hall, or after school to use the calculators for their homework. Additionally, as many students take this course as a part of their college preparations, the availability of calculators will help them to excel in this course and continue on their path to college.

Your kind donations will help ensure that all my students have a resource to help them learn and do well in this course. So, the next time my students are faced with the challenging feat of calculating the number of moles in a block of aluminum, they will be able to do so with confidence. I thank you very much for considering my project.

Mrs. Friederich
Grades 9-12
More than three‑quarters of students from low‑income households

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2 donors2 donors have given to this project.

This project will reach 60 students.

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Where Your Donation Goes

Materials Cost Quantity Total
Texas Instruments(R) TI-30Xa Scientific Calculator • Office Depot Inc. $12.00 20 $240.00

Materials cost

$240.00

Vendor shipping charges

$24.00

State sales tax

$12.00

3rd party payment processing fee

$3.60

Fulfillment labor & materials

$9.00

Total project cost

$288.60

Suggested donation to help DonorsChoose reach more classrooms

$63.35

Total project goal

$351.95

How we calculate what's needed

Total project goal

$351.95

1 Donor

-$175.97

Donations toward project cost

-$144.30

Donations to help DonorsChoose reach more classrooms

-$31.67

match offer

-$175.98

Match offer toward project cost

-$144.30

Match offer to help DonorsChoose reach more classrooms

-$31.68

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.

View complete list Show less

Project Activity

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