■ Features of Captain Math
- 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.

■ Learning contents of Calc Basics Rounds Level 4
- Level 1 : one digit + one digit, two digits + one digit
- Level 2 : two digits + one digit, two digits + two digits, two digits - one digit, two digits - two digits
- Level 3 : two digits + one digit, one digit + two digits, two digits - one digit, two digits - two digits
- Level 4 : two digits + two digits, two digits - two digit
- Level 5 : Addition quiz with mixed digits, Subtraction quiz with mixed digits
- Level 6 : A quiz with mixing digits and addition and subtraction
- Level 7 : (carry) two digits + two digits, two digits - one digit

■ Learning method
- 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.

■ Improvement of ability (learning range by level)

# 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

■ Contact
- E-mail : [email protected]