Keisan Game facts for kids

The Keisan Game Sansū Series (which means Calculation Game: Arithmetic Series) is a fun set of video games. These games help you learn basic math skills. They cover topics like addition, subtraction, multiplication, and division. You can also learn about decimals and fractions. The games are only available in Japanese.

Sansū 1-nen: Keisan Game – First Grade Math

Sansū 1-nen: Keisan Game means "Calculation Game: Arithmetic for First Graders." This was the first game in the series. It came out on April 25, 1986, for the Nintendo Family Computer.

This game focuses on the basics of addition and subtraction. It uses numbers with one or two digits. The game is mostly for learning, so it has simple game modes.

There are four main modes in the game. Two modes are for addition, and two are for subtraction. Each mode has short mini-games. You solve math problems shown on the screen. If you answer incorrectly five times, it's game over. This way of learning was used in all the games. It was a challenging way to learn math.

Sansū 2-nen: Keisan Game – Second Grade Math

Sansū 2-nen: Keisan Game means "Calculation Game: Arithmetic for Second Graders." This is the second game in the series. It was also made for the Nintendo Family Computer.

This game mainly focuses on addition. It also includes more advanced subtraction and multiplication. This helps you learn all four basic math operations.

Like the first game, it's an educational game. It has simple game modes. You can play by yourself or with a friend. If you answer incorrectly five times, you get a game over message. This game also used the challenging "learn by doing" method.

In this game, you can solve math problems in fun ways. You might play on a golf course with math rules. You could also work in a robot factory. Another challenge is filling a multiplication table with facts.

Sansū 3-nen: Keisan Game – Third Grade Math

Sansū 3-nen: Keisan Game means "Calculation Game: Arithmetic for Third Graders." This is the third game in the series. It was also made for the Nintendo Family Computer.

This game focuses only on multiplication and division. It does not teach addition or subtraction. It's mainly for learning, so the game modes are straightforward.

There are four modes in this game. Two are for multiplication, and two are for division. These modes have short minigames. When you solve a math problem correctly, you get good feedback. In the division rounds, you control a submarine. In the multiplication rounds, you can be a space cadet or a car driver. You can only make five mistakes or get hit by an "enemy" before the game ends. If you divide by zero, the game expects you to answer zero.

You can play all four modes alone or with a friend.

Sansū 4-nen: Keisan Game – Fourth Grade Math

Sansū 4-nen: Keisan Game means "Calculation Game: Arithmetic for Fourth Graders." This educational video game came out on October 30, 1986. It was for the Family Computer.

This game teaches four main math skills. These include division, adding and subtracting decimals, and adding and subtracting fractions. It also teaches multiplying and dividing decimals. Each mini-game has two difficulty levels. Two players can take turns playing the mini-games.

In some challenges, you control a character with a sword. You try to defeat monsters in a dungeon. An unbeatable ghost runs outside; if it touches you, you lose. Touching the wrong answer also makes you lose a life. Climbing to the top of a building gives you more math questions.

Other challenges involve controlling a race car. You drive through a complex labyrinth. You must find the exit while avoiding other drivers. This helps you get to the next math question. Reference:Sansu 4-nen: Keisan Game

Sansū 5+6 Toshi: Keisan Game – Fifth and Sixth Grade Math

Reference:Sansu 5・6-nen: Keisan Game