Question: What Is Negative Plus Positive Equal?

Why negative plus negative equals positive?

When you multiply a negative by a negative you get a positive, because the two negative signs are cancelled out..

Why do two minuses make a plus?

Subtracting a negative is the same as… Again, before too long, the consensus is that subtracting a negative is the same as adding a positive. … Either way it reinforces the big idea that subtracting a negative is the same as adding a positive. This is so much better than saying ‘two minuses make a plus’.

What does a negative plus a negative equal?

When you are adding a negative number to a negative number, it becomes subtraction, where you start from a negative point on the numbers line and move left. For example, -3 + (-2). … You need to ignore the plus sign and recognize that the second negative means you are subtracting that number.

What is the rule for adding positive and negative numbers?

The Rules:RuleExample+(+)Two like signs become a positive sign3+(+2) = 3 + 2 = 5−(−)6−(−3) = 6 + 3 = 9+(−)Two unlike signs become a negative sign7+(−2) = 7 − 2 = 5−(+)8−(+2) = 8 − 2 = 62 more rows

What is the rule for adding and subtracting negative numbers?

When adding positive numbers, count to the right. When adding negative numbers, count to the left. When subtracting positive numbers, count to the left. When subtracting negative numbers, count to the right.

What are the rules for adding subtracting multiplying and dividing positive and negative numbers?

The rule for multiplying and dividing is very similar to the rule for adding and subtracting.When the signs are different the answer is negative.When the signs are the same the answer is positive.

What is a negative times a positive?

Rule 2: A negative number times a positive number equals a negative number. When you multiply a negative number to a positive number, your answer is a negative number. It doesn’t matter which order the positive and negative numbers are in that you are multiplying, the answer is always a negative number.

What is the rule for adding two negative numbers?

When you have two negative signs, one turns over, and they add together to make a positive. If you have a positive and a negative, there is one dash left over, and the answer is negative.

Why do you add when subtracting a negative number?

When you’d subtracted a positive number, you’d moved to the left. Now, if you’re adding a negative, you can regard this is pretty much the same as when you were subtracting a positive, if you view “adding a negative” as adding to the left. That is, by plus-ing a minus, you’re adding in the other direction.

What is positive and negative in math?

A number is positive if it is greater than or equal to zero. A number is negative if it is less than or equal to zero.

What happens when you subtract a negative from a negative?

Rule 3: Subtracting a negative number from a negative number – a minus sign followed by a negative sign, turns the two signs into a plus sign. So, instead of subtracting a negative, you are adding a positive. Basically, – (-4) becomes +4, and then you add the numbers.