ホシオの算数クエスト 6年

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About this app

🌊 Elementary School 6th Grade Math Drill RPG "Hoshio's Math Quest 6th Grade"

The main character is Hoshio, a light blue whale who jumps into the world of math.

Solve problems in multiple-choice quizzes and master 6th-grade math with Hoshio!

* This app is designed for parents to choose for their children. Parents/adults should make decisions regarding downloading, installing, and displaying advertisements.

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■ Includes all 42 units and over 12,000 questions from the textbook
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【Numbers and Calculations】
・Multiplication of fractions (proper fraction × proper fraction, integer × fraction, improper fraction, mixed number)
・Division of fractions (proper fraction ÷ proper fraction, integer ÷ fraction, mixed number)
・Calculations with three types of fractions (mixed × and ÷)
・Order of operations using ( )
・Expressions using letters (x, a Expressions using (values ​​of equations)

【Geometry】
• Line Symmetry (finding axes, corresponding points, sides, and angles)
• Point Symmetry (finding the center, corresponding points, sides, and angles)
• Symmetry of Quadrilaterals and Polygons
• Area of ​​a Circle (from radius, cutting out composite figures)
• Volume of Prisms and Cylinders

【Change and Relationships】
• Ratio (equal ratios, simplification, use of ratios)
• Proportionality (equations and graphs)
• Inverse Proportionality (equations and graphs)
• Ratio (multiples of fractions, word problems) [Data Utilization]
• Mean, Median, Mode
• Dot Plot
• Frequency Distribution Table
• Histogram
• Bar Chart, Pie Chart, Population Pyramid
• Problems involving combining multiple pieces of information to interpret data

[Other]
• Combinations and Permutations (Arrangements and Combinations)
• Units and Time (Conversion between Hours, Minutes, and Seconds)
• 5th Grade Review (Area of ​​Parallelograms and Triangles, Congruence)

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■ 3 Ways to Play
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✏️ [Practice Mode]
A random challenge of 5 questions that you can try any number of times a day.
You can focus on practicing topics you struggle with.

🏆 [Competition Mode]
Once a day, answer 5 questions correctly in a row to pass!
You get a "Bronze" badge for 5 correct answers, a "Silver" badge for 5 correct answers + solving them all at once, and a "Gold" badge for no mistakes.

👾【Monster Battle】
By earning a silver medal or higher, you can challenge the boss monster of that unit.
A battle system unique to Hoshio, where you fight while choosing your intermediate steps.
If you get the answer right in one go (complete defeat), the monster will be added to your monster encyclopedia.

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■ Features of Hoshio
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💰 Completely Free
No charges, subscriptions, or paid items whatsoever.

📱 Video Ads
Reward video ads are displayed before starting the learning material.

🛡️ No Personal Information Required
No account registration required. You will not need to enter your name, email address, etc.

🎵 Sound Effects
The correct/incorrect answers and result announcements naturally help you maintain concentration.

📖 Learning History
Solved problems, correct answer rate, acquired badges, and monster encyclopedia are saved on your device. (No data is sent outside the device)

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■ Recommended for:
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・6th graders
・Children preparing for junior high school entrance exams
・New 1st year junior high school students who want to review elementary school material
・Parents who want their children to use it with peace of mind
・Those who feel that textbooks alone do not provide enough practice

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■ Message from the Developer
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We want children to remember that "math is fun."

That's how Hoshio was born.

Join Hoshio-kun, the light blue whale,
battle, collect entries in the encyclopedia, and aim for badges.

The game is designed to help children naturally develop their math skills through the excitement of the game.

It's free and requires no in-app purchases, so you can play with peace of mind until the end.

Please use it to help with your child's math learning at home.

Target age: 13 years and older
Updated on
Jul 3, 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.
This app may share these data types with third parties
Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit

What’s new

📱 動画広告を追加しました
🛡️ アカウント登録・個人情報の収集なし・アプリ内課金なし

対象年齢: 13歳以上