Adding
(-56) + 98
42
97 - 25
72
(-23) x 10
-230
-4.5+(-4.5) is zero
False
(-376) + (-234)
-610
(-48) - (73)
- 121
(-34) x 34
-1156
- 120 + 45 is positive
false
How do you add a positive and a negative number together?
You subtract them and take the sign of the bigger number.
Is 176 - (-29) positive or negative? Why?
It's positive because subtraction changes to addition and the opposite of - 29 is +29.
65 x 98
6370
-79 and 78 are opposite numbers
false
Why is 87 + (-89) a negative answer and not a positive one?
Because the larger number is negative.
How do we subtract positive and negative numbers?
We change subtraction to addition and follow the rules of addition
(-27) x (-98)
2646
negative x positive = positive