理由までドリル〜なぜ？を考える算数・思考力トレーナー〜

The 理由までドリル app is a highly recommended tool for parents and educators looking to enhance children's mathematical skills and reasoning abilities. Its engaging format and comprehensive features make learning enjoyable and effective.

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$1.43save $1.66 [54% OFF ]

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Unlock your child's potential in math today! Visit the product page on Amazon to learn more about the 理由までドリル app and start the journey towards better understanding and confidence in mathematics.

Last tracked on Dec 17, 2025, 1:01 AM.

Overview

The 理由までドリル app is an innovative educational tool aimed at enhancing children's mathematical thinking and reasoning abilities. This app encourages users to not only find the correct answers but also to understand the reasoning behind them, fostering a deeper comprehension of mathematical concepts. With a user-friendly interface designed specifically for children, it provides a safe and engaging learning environment.

Featuring a comprehensive curriculum that covers 28 different thinking patterns, including problem-solving with text, shapes, graphs, and logical reasoning, the app is tailored for elementary school students. The review mode allows children to focus on their mistakes and uncertainties, while the learning history feature helps track their progress and identify strengths and weaknesses. This app is perfect for parents looking to support their children's education in a fun and interactive way.

Amazon Price History

We’ve been tracking Amazon prices for the 理由までドリル〜なぜ？を考える算数・思考力トレーナー〜 (B0G6LXYDMV) over the past day, providing a detailed history of its price fluctuations.

Condition	Lowest Price	Highest Price	Last Price	Average Price
New	$1.43 12/17/2025	$1.43 12/17/2025	$1.43 12/17/2025	$1.43

* The Seek Monkey monitors individual Amazon product prices for products in 2 specific conditions: New, Used. If any of the conditions are not in the table above, it means there were no offers for that condition.

Product Details

Check some product details below and make sure you are buying the right product.

Category	Apps & Games
Product Group	Mobile Applications
Brand	ototokun
Manufacturer	ototokun
Binding	App
Adult Product	No
Item Part Number	com.ototo.watasiha.riyumadedoriru
Languages	Japanese
Release Date	December 12, 2025

Target Audience

1. Parents of elementary school children
2. Teachers looking for educational tools
3. Children aged 8 to 12 who want to improve their math skills

Features

Two-step learning process that emphasizes both correct answers and the reasoning behind them, promoting a deeper understanding of math.
Comprehensive coverage of 28 different thinking patterns, ensuring a well-rounded approach to mathematical education.
Review mode that focuses on previously missed or uncertain questions, allowing for targeted practice.
Visual representation of learning history, helping users identify strengths and weaknesses in their understanding.
Grade-level settings that allow for tailored learning experiences for students in grades 3 to 6.
Simple, tap-centered user interface that minimizes confusion and enhances usability for children.
Completely offline and ad-free, providing a safe and distraction-free learning environment.
Data reset feature that allows for easy sharing of the app among siblings or friends.

Use Cases

Parents can use the app to supplement their children's math homework, providing additional practice in a fun and engaging format.
Teachers can recommend the app to students for extra practice at home, helping them reinforce concepts learned in class.
Children can use the app independently to explore mathematical concepts at their own pace, building confidence in their problem-solving abilities.

Pros and Cons

Check out the pros and cons of this product and make your own decision.

Good

Encourages critical thinking by requiring users to explain their reasoning.
Covers a wide range of mathematical concepts and thinking patterns.
User-friendly interface designed specifically for children.
Offline functionality ensures uninterrupted learning without distractions.
Allows for easy data reset, making it suitable for multiple users.

Bad

Currently available only in Japanese, limiting accessibility for non-Japanese speakers.
May require parental guidance for younger children to navigate effectively.

Is it worth it?

This app stands out as a valuable educational resource that not only teaches math but also cultivates critical thinking skills. By focusing on the reasoning behind answers, it prepares children for future academic challenges.

理由までドリル〜なぜ？を考える算数・思考力トレーナー〜

Overview

Amazon Price History