The elementary mathematics app basically adds, subtracts, multiplies, and divides elementary school kids.
This is an app made to solve in quiz format.

It consists of a total of four chapters.

** Add(Total 18) **
1. Plus one digit not exceeding 10.
2. Single digit vertical not exceeding 10.
3. Plus three digits not exceeding 10.
4. Collect stairs by one digit not exceeding 10.
5. Collect two-stage single digits not exceeding ten.
6. Fill a one-digit check no longer than 10.
7. Add more than 10 single digits.
8. Single-digit vertical plus over 10.
9. Plus one digit three over 10.
10. Collect stairs with more than 10 single digits.
11. Collect more than 10 single-digit stairs.
12. Fill a one-digit check over 10.
13. Plus two digits.
14. 2-digit vertical plus.
15. Find two-digit vertical blank.
16. Collect two digits.
17. Collect two-digit two levels.
18. Fill two-digit check.

**Subtract(Total 19)**
1. Subtract single digit not exceeding 10 - Horizontal.
2. Subtract single digit not exceeding 10 - Vertical.
3. Subtract three digits not exceeding 10.
4. Split stairs by one digit not exceeding 10 - 1step.
5. Split stairs by one digit not exceeding 10 - 2step.
6. Fill a one-digit check no longer than 10.
7. Subtract more than 10 single digits - Horizontal.
8. Subtract more than 10 single digits - Vertical.
9. Subtract more than 10 single digits.
10. Split stairs by one digit exceeding 10 - 1step.
11. Split stairs by one digit exceeding 10 - 2step.
12. Fill a one-digit check over 10.
13. Subtract two digits - Horizontal.
14. Subtract two digits - Vertical.
15. Find two-digit vertical blank.
16. Split two digits - 1step.
17. Split two digits - 2step.
18. Fill two-digit check.
19. Finding Taxes with Plus Subtraction.

**Multiply(Total 10) **
1. Change to multiply by plus (less than 5).
2. Change to multiply by plus (less than 9).
3. Jump to count to find the next number (less than 5).
4. Jump to count to find the next number (less than 5).
5. Multiply by one digit (less than 5).
6. Multiply by one digit (different position) (less than 5).
7. Multiply by one digit (less than 9).
8. Multiply by one digit (different position) (less than 9).
9. Complete the Multiplication Table (less than 5).
10. Complete the Multiplication Table (less than 9).

**Division(Total 12) **
1. 10 or less division - Vertical.
2. 10 or less division - Horizontal.
3. 10 or less division.
4. Division with a remainder of 10 or less - Vertical.
5. Division with a remainder of 10 or less - Horizontal.
6. Division with a remainder of 10 or less.
7. 100 or less division - Vertical.
8. 100 or less division - Horizontal.
9. 100 or less division.
10. Division with a remainder of 100 or less - Vertical.
11. Division with a remainder of 100 or less - Horizontal.
12. Division with a remainder of 10 or less.


Each chapter can be played repeatedly,
It consists of calculating the number of digits of 10 or less and calculating the number of digits of 10 or more and 100 or less.

Thank you