Over 50 tutoring hours

Joshua C.

Westminster, CO


Mr. C. - tutoring in high school math and science

In-person lessons
Replies in 8 hours
Background check passed as of 11/11/13
5.0 Avg. Rating
48 Ratings
8hrs Response Time
— Malcolm, Broomfield, CO on 2/12/15

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University of Colorado, Boulder
University of Colorado at Boulder School of Education


University of Colorado, Boulder

University of Colorado at Boulder School of Education (Master's)

About Joshua

Mr. C. is a high school teacher in his 7th year in the field. He has taught the following subjects:
- Biology
- Physics
- Chemistry
- Astronomy
- Physical Science

- Calculus
- Precalculus
- Algebra I
- Remedial Math

In every one of his positions as a teacher, Mr. C. has been noted and valued for his skill at making connections with students. His teaching style has also been noted for the variety of methods and analogies he brings to his lessons. He's worked with all students - public, private, remedial, and advanced.

When working one-on-one, Mr. C. teaches by first finding specifically where the student needs help. He then builds confidence and skill by asking progressively harder and more complex questions. When a student makes a mistake, Mr. C. doesn't point it out until the student notices something is wrong. While this leads to some initial frustration, it ultimately leads to a student who is more confident and knowledgeable, as they learn to identify and correct their own mistakes.
Mr. C. is a high school teacher in his 7th year in the field. He has taught the following subjects:
- Biology
- Physics
- Read more

12 hours notice required
Travel Radius
Travels within 5 miles of Westminster, CO 80031
Background Check: Passed
In-person lessons


- Malcolm, Broomfield, CO on 2/12/15

"My daughter really likes his style of teaching."

- Kim, Arvada, CO on 6/14/15


- Nadine, Arvada, CO on 10/15/14

"Awesome tutor!"

- Pauline, Louisville, CO on 4/25/13

Approved subjects are in bold.

Approved subjects

In most cases, tutors gain approval in a subject by passing a proficiency exam. For some subject areas, like music and art, tutors submit written requests to demonstrate their proficiency to potential students. If a tutor is interested but not yet approved in a subject, the subject will appear in non-bold font. Tutors need to be approved in a subject prior to beginning lessons.


My expertise in astronomy covers everything beyond the Earth. Planets, the sun, stars, galaxies, spectroscopy, cosmology, stellar formation and evolution, constellations. You name it. If it's part of astronomy, I've studied it and can help you learn it!


I've taught high school biology several times. The areas I know best are cytology (cells), genetics, taxonomy, ecology, and evolution. I've also taught a year of botany and human anatomy, although my knowledge of those two subjects is a bit weaker.


I have a strong college background with more than 3 years of calculus. I've taught a course worth dual credit (with a local college) for several years. If it's first-year college level calculus material, I know it thoroughly. I can also teach a smattering of calculus 2 (sequences and series) and a fair amount of calculus 3 (double and triple integrals).


I've taught high school chemistry several times, both remedial and advanced. I'm comfortable with electron orbitals, stoichiometry (balancing equations), moles and molarity, chemical and physical properties, the periodic table, the ideal gas law, redox reactions, and thermodynamics. My electrochemistry is a bit weaker, but I can still teach it.

Physical Science

I've taught several years of physical science. My expertise in this subject is in helping kids get a strong "scientific mindset" to help them succeed for the rest of their high school science classes. I'm familiar with all subjects for physical science but place this emphasis on teaching kids to think like scientists do. This process is slow, but helps insure quality experiments, lab write-ups, and understanding later on.


I'm well-versed in all topics in physics. Newton's laws, friction, linear motion (velocity and acceleration), gravity, momentum and impulse, energy, work, power, circuits, optics, thermodynamics, radioactive decay and half life, relativity, and quantum mechanics. Physics can be especially tricky so I help kids focus on how to properly use the equations they're given in class. I've also taught this class as a dual-credit college level course, so if you want your child to get ahead, I know how to push them far!


I've taught a class in this subject for several years. I'll help your child with graphing, special functions, applications of sine, cosine, and tangent. I can teach polar and rectangular coordinates, finding roots of equations, imaginary numbers, conic sections, areas and volumes, and various equations of lines.


My skills in trigonometry allow me to help get across all concepts with sine, cosine, and tangent. I'll help you child with how to use the functions, when to use the functions, how to apply the functions, and how to relate them to the unit circle. The foundation we can lay here will help serve them for any future math courses. I'm comfortable with helping kids memorize key trig functions, too, if school or parents wish it!

University of Colorado, Boulder
University of Colorado at Boulder School of Education


University of Colorado, Boulder

University of Colorado at Boulder School of Education (Master's)

AWESOME! — Mr. C was very accommodating with our schedule and meeting time. Before we met with him he asked for some very specific questions to prepare for our sessions. Mr. C knew right away some of the problems my son was having. Mr. C was early at the meeting location, and when we arrived he got right to work targeting the problem areas. He was very patient and explained the concepts in a way my son co ...

— Malcolm, Broomfield, CO on 2/12/15

Hourly fee

Standard Hourly Fee: $30.00

Cancellation: 12 hours notice required

Travel policy

Joshua will travel within 5 miles of Westminster, CO 80031.

Background Check Status for Joshua C.

Joshua C. passed a background check on 11/11/13. The check was ordered by Joshua through First Advantage. For more information, please review the background check information page.

After sending a message to Joshua, you will be able to order a new background check for $7.99. As part of your tutor selection process, we encourage you to run updated background checks. Please also review the safety tips for hiring tutors.