シマエナガと九九暗算!! 頭を使う脳トレ 計算 算数 数学

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Content rating
Everyone
500+
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Content rating
Everyone
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About this game

From basic multiplication table calculations
All calculations of +, -, ×, ÷ are randomly asked!
It can be used by a wide range of users, from abacus beginners to mental arithmetic professionals!

This is an app that allows you to have fun learning mental arithmetic, abacus, calculation, and arithmetic skills with the cute Shimaenaga!

[How to play]
Choose your favorite calculation mode and level and start the game!
Answer the questions asked within the time!
If you answer correctly, your time will increase and your score will increase!
If you answer correctly in a row, your score will increase rapidly!
Time is up when the time limit runs out!

[National ranking function]
Scores are automatically reflected in the national ranking.
Check out how much your mental arithmetic ability is nationwide!

[Shimaenaga icon]
Earn coins by playing games!
Create your own original Shimaenaga icon with the coins you earned!

“Have fun brain training with Shimaenaga! Multiplication table & mental arithmetic game!”

Let's have fun training your calculation skills with the fluffy and cute Shimaenaga! Improve your arithmetic and mathematics skills with brain training games that use multiplication tables and mental arithmetic!

◆Game features◆

Healing x learning! The cute animation of Shimaenaga supports calculation practice in a fun way!
Wide range of modes! From multiplication table practice to applied problems, everyone from beginners to advanced users can enjoy it!
Perfect for brain training! Refresh yourself while training your memory and concentration!
OK for both children and adults! Perfect for learning support and daily calculation practice!
Have fun improving your calculation skills with the cute Long-tailed Tit! Make effective use of your spare time and become strong with numbers! Download now!
Mental arithmetic training with the long-tailed long-tailed moth! Calculations to kill time! Reflexes! Train your calculation skills with the cute long-tailed long-tailed moth, and play brain training games using multiplication tables and mental arithmetic together to dramatically improve your ar...
Updated on
Jul 30, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

8月のアイコンを追加しました!