Captain Math - Features

Focusing on the essence of mathematics, we included only the essential elements. And the other elements were removed.
The simple UI makes numbers and arithmetic operations more familiar.
The math quiz is easy and there are plenty of hints, so your child can enjoy math as if they were playing.
Hidden among the math quizzes is an elaborate design of number changes.
As the math quiz solution progresses, step-by-step gradual adjustment is applied to balance tension and relaxation.
Getting acquainted with computational work is an important purpose, and the ultimate goal is to gain a sense of accomplishment and confidence through the growth of mathematical thinking.
The time limit has been removed to make the habit of thinking comfortably enough.
In order to minimize the feeling of frustration and discomfort when answering incorrectly, a sound effect with less rejection was used.
In order not to be afraid of mistakes, I mainly used expressions of support.
The UI text is in English, but the language constraints are very low. Since it is composed of simple words, it can be used by non-English speaking users.

It consists of 7 levels, 112 rounds, and 1120 questions.
Each level consists of 112 rounds, 16 rounds.
Each level consists of 16 rounds, totaling 112 rounds.
It is recommended to complete 2 rounds per day. About 20 questions per day. When you do this, it takes about 3 months to complete all quizzes.
The numbers are arranged at the bottom of the round screen. Drag and drop the number to the blank question mark to answer the quiz.
Click the light bulb icon at the top right of the quiz card to display a hint on the quiz. There are 3 hints per question. Cool hints will guide the correct answer and give your child a sense of accomplishment.
When you clear the mission of the round, the grade is displayed according to the number of incorrect answers.
You can retry a round at any time. That way you can update the Score and Grade.

Calc Basics Rounds Level 1 ~ 15

Numbers from 1 to 10, Addition and subtraction of numbers less than 5
Addition and subtraction of numbers less than 10, Numbers from 1 to 100
Addition and subtraction of 10, Addition and subtraction of numbers greater than 10
Addition and subtraction of Natural number
Addition, subtraction, and multiplication of natural numbers
Multiplication and division of natural numbers
Subtraction and multiplication of natural numbers
Subtraction and multiplication of natural numbers, Addition and subtraction of fractions
Addition and subtraction of fractions and decimals
Addition and subtraction of fractions
Reduction of a fraction, reduction to common denominator
Addition and subtraction of fractions with different denominators
Multiplication of fractions and decimals
Fractional multiplication
Decimal multiplication
Fraction, decimal and natural number multiplication
Division of fractions and decimals
Mixed fraction and decimal calculation
Ratio, Proportional expression , Proportional distribution , Equation