The rules of adding and subtracting positive and negative numbers include
1) When we add 2 positive numbers, the result is a positive number
2) When we subtract 2 positive numbers, the result would be positive as long as a smaller number is being subtracted from a bigger number, otherwise, the result would be negative
3)When we add 2 negative numbers, the result can be positive if we add the negative number to a bigger positive number or the result would be negative if we add the negative number to a lower positive number
4)When we subtract 2 negative numbers, the result is always negative
The rules of multiplying and dividing positive and negative numbers include
1) When we multiply 2 positive numbers, the result is always positive
2) When we multiply 2 negative numbers, the result is always positive
3) When we divide 2 positive numbers, the result is always positive
4) When we divide 2 negative numbers, the result is always positive
5) When we multiply or divide a positive number by a negative number, the result is always negative.