danielmislang04 in addition same sign positive answer but you will add it and if the sign are not the same the answer is the sign will be the highest value in problem but you add it in subtraction change the sign subtrahend and back the rule of addition in multiplication and division same sign = positive diff. sign = negative eg. 2 × 3 = 6 2 × -3 = -6 15 ÷ 3 = 5 - 15 ÷ 3 = -5
Answers & Comments
in addition
same sign positive answer but you will add it and if the sign are not the same the answer is the sign will be the highest value in problem but you add it
in subtraction
change the sign subtrahend and back the rule of addition
in multiplication and division
same sign = positive
diff. sign = negative
eg. 2 × 3 = 6
2 × -3 = -6
15 ÷ 3 = 5
- 15 ÷ 3 = -5