# How To Convert Hours To Minutes And Minutes To Seconds | Khan Academy

We want you to feel comfortable moving between seconds, minutes, and hours. Let’s create some tables where we compare and covert these measurements of time.

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Grade 4th on Khan Academy: 4th grade is the time to start really fine-tuning your arithmetic skills. Not only will you be a multi-digit addition and subtraction rockstar, but you’ll extend the multiplication and division that you started in 3rd grade to several digits. You’ll also discover that you sometimes have something left over (called a “remainder”) when you divide. In 3rd grade you learned what a fraction is. Now you’ll start adding, subtracting, multiplying, and comparing them. You’ll also see how they relate to decimals. On other fronts, you’ll learn how to convert between different units (which is super important when comparing the size and speed of robot unicorns in different countries) and continue your journey thinking about various shapes in two dimensions. Some of the foundational concepts of geometry (like lines, rays and angles) also get introduced. As always, we’ll round this out with a healthy dose of applied word problems and explorations of number patterns and properties (including the ideas of factors, multiples and prime numbers). The fun must not stop! (Content was selected for this grade level based on a typical curriculum in the United States.)

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## 8 thoughts

1. Espino Ghilynn says:

This video keeps every student (beginners) to learn a lesson👍

Thank you!

3. Moya Miller says:

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4. Umar.Akhtar says:

man how did you write so perfect your handwriting is so perfect

5. Crystal Ong says:

why 10×3600 dun understand plsss help!!!

6. Scyride : Intros & More! says:

I love your channel! It helps me out a lot! Thanks to you I am Top 5 in class! My class competes in internationals!
I might too in the future!

7. Pink Alcohol says:

Dude thanks I needed this. This is a big help I liked your video

8. Betty Auta says:

thank you so much for the help if it wasn’t for you i wouldn’t be here trying to learn time so thank’s so much i hope you could do any grade

p.s. this is Elizabeth Autalice.