## Addition

## Subtraction

There are no negative results at any level

## Multiplication

## Division

There are no remainders at any level

- Level 1
- Dividend from 0 to 25, divisor from 1 to 5
- Level 2
- Dividend from 0 to 50, divisor from 1 to 5
- Level 3
- Dividend from 0 to 100, divisor from 1 to 10
- Level 4
- Dividend from 0 to 200, divisor from 1 to 10
- Level 5
- Dividend from 4 to 400, divisor from 2 to 20
- Level 6
- Dividend from 6 to 2000, divisor from 3 to 20
- Level 7
- Dividend from 9 to 10,000 and divisor from 3 to 100