What is Schoolhouse.world?

Schoolhouse.world is a free online tutoring platform founded by Sal Khan, the founder of Khan Academy. Our mission is to connect the world through learning—our community of passionate, dedicated volunteer tutors is here to help. We offer free online math tutoring sessions, along with SAT and AP preparation. If you're interested in joining a session, sign up for an account to get started.

Interested in becoming a tutor? The first step is to get certified in a unit, which requires demonstrating your mastery by taking the relevant Khan Academy unit tests. After getting certified, you can apply to become a tutor and join our global volunteer community.

Should I take precalc in high school?

Pre-calculus is a great way to prepare yourself for calculus while building off prior knowledge in geometry and algebra. We'd recommend you take it! And if you're looking for precalc tutoring, Schoolhouse.world is a great resource.

How difficult is precalc?

High school precalculus covers a wide variety of units that build off algebra and geometry, while preparing you for calculus. While it sounds intimidating, it's doable! And if you're looking for precalculus help, our certified precalculus tutors are running sessions around the clock!

How do I improve at precalculus?

Once you've grasped the fundamentals, the best way to improve is to practice. Khan Academy has an extensiveprecalculus curriculum if you're looking for practice problems. And if you're looking for live, personal precalculus help, sign up for a session on Schoolhouse.world!

Can you skip precalculus and go to calculus?

High school precalculus covers topics like trigonometry, functions, and vectors that'll surely come in handy when you're learning calculus. We wouldn't recommend you skip it, unless you're really confident in the material!

What’s covered in precalculus?

Pre-calculus is a broad subject, covering units like complex numbers, vectors, matrices, trigonometry, probability, polar equations, rational functions, conic sections, and more.

Our pre-calculus tutors host sessions in these units, and more, around the clock. If you can't find what you're looking for, you can even request a session and one of our precalc tutors will be in touch.

What are the hardest units in precalculus?

While it depends on the person, units like polar equations, conic sections, and trigonometry are among the harder parts of a traditional pre-calculus course.

Where can I learn precalculus online for free?

There are many ways to learn precalculus online–Khan Academy is a free, extensive resource for learning precalculus on your own time. However, if you’re looking for an online precalculus tutor, sign up for a Schoolhouse.world series or session—it's completely free!

Is precalculus harder than calculus?

It really depends on the person! Some students find the fundamentals in pre-calculus challenging, like functions and trigonometry, while others find calculus concepts like derivatives and integrals harder to grasp.

Fortunately, Schoolhouse.world doesn't just offer precalculus tutoring: we have certified tutors in all math subjects, ranging from pre-algebra through calculus. Just sign up for an account to get started!