0
First of all think of the table.
+/-
-
- = +
-
- = -
-
- = -
-
- = +
NB If no sign is shown read it a plus(+)
So -2 + -2 . The second term of + - 2 is read as '-'
Hence
-2 - 2 = -4
Think of the number line .... -4 -3 -2 -1 0 1 2 3 4 ....
If you move to the left you subtract, if you move to the right you add.
This first number is '-2' , So go to ;-2; on the number line. From there we are subtracting, so move to the left, by '2' places. You 'land on' '-4' ,which is the answer
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What two numbers add to negative 8 but add to negative 9?
17
How do you add and subtract negative and postitive numbers?
If both numbers are positive, simply add them as you learned in 4th grade. If both numbers are negative,simply add them but add a minus to the answer. If one is positive and the other negative, ignoring the signs,subtract the smaller from the larger and add the sign of the larger to your answer.
What numbers multiply to 24 and add to -10?
14
Why are all negative numbers closed under addition?
Because when you add any negative numbers, the sum will also be a negative number.
What two numbers multiply to negative 8 but add to negative 7?
15
What do you get when you add to negative numbers?
The answer will also be negative.
Can you add numbers and still come out with less?
Yes, if you add negative numbers.
How do you add 2 negative numbers?
You add as normal , pretend as if the signs weren't there,but the answer will be a negative!
What two numbers add to negative 8 but add to negative 9?
17
How do you add and subtract negative and postitive numbers?
If both numbers are positive, simply add them as you learned in 4th grade. If both numbers are negative,simply add them but add a minus to the answer. If one is positive and the other negative, ignoring the signs,subtract the smaller from the larger and add the sign of the larger to your answer.
If you add a negative and a negative it equals?
Adding a negative number to a negative number makes a larger negative. In order to solve this you add the numbers together as a positive then add a negative sign.
How do you add negative integers without using the number line?
if they are both negative, add like they are positive numbers, but just add the negative sign.
Can you add negative and positive numbers?
Yes
If I add 2 negative numbers will my answer be positive?
no
What numbers multiply to 24 and add to -10?
14
Why are all negative numbers closed under addition?
Because when you add any negative numbers, the sum will also be a negative number.
What numbers add to get negative 462 and add to get negative 1?
463
