Master your math skills with legendary karate teacher Sensei Sugaku.

Learn elementary arithmetic by sparring and competing tournaments, discovering the honor and discipline of martial arts along with way. Adventure is sure to come with math, maybe even use it to fight ninjas and pirates!

Play on Web > Download on App Store

Math Education Video Game

Embark on a thrilling mathematical journey as you unleash your martial arts skills in the ultimate quest to become the world's best Karate Math Fighter!

Sensei Sugaku's Karate Math Dojo is designed to help kids master math facts in an entertaining and engaging way.


No More Flashcards

Learn math facts in a way that kids want to keep progressing.



Win tournaments, fight pirates, and save your sensei.


Learn, Review, Repeat

Remember what you've learned by getting review questions at the right time.


Sensei Sugaku tutors addition to teach basic karate moves. Neko ambushes the student who must to learn advacned subtraction to defeat him. Drama soon unfolds at the Great Karate Math Tournament. Customize your characters appearance. Adventure awaits in the Karate Math Dojo story mode.

Sensei Sugaku's Teaching Method

Like with martial arts, the lesson plan for math builds on top of previous lessons. The math skills Sensei Sugaku teaches follows a standard K-5 cirriculum to help students all along the journey.

Below is a list of lessons covered in the game:


  • Plus One
  • Plus Two
  • Plus Three
  • Counting by Two
  • Equals 10
  • Doubles
  • Counting by Three
  • Counting by Five
  • Plus Five
  • Counting by Ten
  • Plus Nine
  • Plus Eight
  • Plus Seven
  • Teens
  • Twenties
  • Thirties


  • Minus One
  • Minus Two
  • Minus Three
  • Minus Four
  • Minus Half
  • Minus 10
  • Counting Down by Five
  • Minus Five
  • Minus Nine
  • Borrowing
  • Substraction Less Than 100
  • Substraction Greater Than 100


  • Times One
  • Times Two
  • Times Three
  • Squares Less Than 5
  • Times Ten
  • Times Five
  • Times Six
  • Times Seven
  • Times Eight
  • Times Nine
  • Squares Greater Than 5
  • Times Eleven
  • Times Twelve


  • Divisible by One
  • Divisible by Two
  • Divisible by Three
  • Divisible by Four
  • Divisible by 10
  • Divisible by Five
  • Divisible by Nine
  • Divisible by Seven
  • Divisible by Two with Remainder
  • Divisible by Three with Remainder
  • Divisible by Five with Remainder
  • Divisible by Seven with Remainder


  • Adding Halves
  • Adding Thirds
  • Adding Fourths
  • Subtracting Halves
  • Subtracting Thirds
  • Subtracting Fourths
  • Equivalent Fractions Less Than One
  • Fractions as Division
  • Equivalent Fractions Greater Than One
  • Adding Fractions Greater Than One
  • Subracting Fractions Greater Than One
  • Multiplying Fractions


  • Decimal-Fraction Equivalency
  • Adding Decimals
  • Subtracting Decimals
  • Multiplying Decimals
  • Dividing Decimals

Frequently Asked Questions

What is Karate Math Dojo?

Sensei Sugaku's Karate Math Dojo is a web and mobile app for practicing math facts and elemtary arithmatic. It's available on the web and the Apple App Store.

Is Karate Math Dojo free?

Yes, Karate Math Dojo is available to play (and win) for free. However, users wanting to add more players, skip rest periods and earn bonus points can purchase Pro-Player access in the game.

Can I play Karate Math Dojo on my phone or tablet?

Yes, you can download the app from the App Store for iOS phones and tables. If we receive enough interest we're also considering an Adnroid version.

Where else can I play Karate Math Dojo?

For those with an appetitie for indie games, you can also plan Karate Math Dojo on You can also donate to help support the project there.

I have more questions. Where can I ask them?

You can email us at to ask any other question you may have.