What Is A Positive Plus A Positive?

Why do 2 negatives make a positive?

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

How do you subtract positive and negative integers?

To subtract integers, change the sign on the integer that is to be subtracted. If both signs are positive, the answer will be positive. If both signs are negative, the answer will be negative. If the signs are different subtract the smaller absolute value from the larger absolute value.

What is the rule for adding negative and positive 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 will you do to find the difference between two integers with unlike signs?

What will you do to find the difference between two integers with unlike signs? Answer​Answer: change the minus to plus, then change the subtrahend’s sign to the opposite. … Step-by-step explanation: example is 3-(-5) … 3+(-5) change the subtrahend’s sign to the opposite, it will be.3+5. then solve, 3+5 is equal to.More items…•

Why does minus and minus equal plus?

The answer has to do with the fundamental properties of operations on numbers (the notions of “addition”, “subtraction”, “multiplication”, and “division”). … Each number has an “additive inverse” associated to it (a sort of “opposite” number), which when added to the original number gives zero.

What does a positive plus a positive make?

ADDITION/ SUBTRACTION: ):( Positive number plus a positive number, add the two numbers, and it equals a positive number.

What is a negative plus a positive?

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.

Is a positive times a positive a negative?

Rule 1: A positive number times a positive number gives you a positive number. … Rule 2: A positive number times a negative number gives you a negative number. Example 2: This is new – for example, you might have 4 x -3. The 4 is positive, but the 3 is negative, so our answer has to be negative.

Is a double negative a positive?

Double negatives are two negative words used in the same sentence. Using two negatives usually turns the thought or sentence into a positive one. Double negatives are generally discouraged in English because they are considered to be poor grammar and they can be confusing.

What do two positives make?

When We Multiply:Example×two positives make a positive:3 × 2 = 6×two negatives make a positive:(−3) × (−2) = 6×a negative and a positive make a negative:(−3) × 2 = −6×a positive and a negative make a negative:3 × (−2) = −63 more rows

What is a negative plus a negative?

While it’s true that a negative times a negative is a positive, a negative plus a negative is actually a negative. When adding signed numbers, it is useful to think of positive numbers as gains and negative numbers as losses. A loss plus a loss is a bigger loss.

How do you solve a negative plus a positive?

Adding Positive and Negative NumbersRule 1: Adding positive numbers to positive numbers—it’s just normal addition.Rule 2: Adding positive numbers to negative numbers—count forward the amount you’re adding.Rule 3: Adding negative numbers to positive numbers—count backwards, as if you were subtracting.More items…

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’.

Why when you subtract a negative is positive?

Subtracting a number is the same as adding its opposite. So, subtracting a positive number is like adding a negative; you move to the left on the number line. Subtracting a negative number is like adding a positive; you move to the right on the number line.

What is the rule for adding and subtracting positive and 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.

How do you multiply negatives and positives?

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 happens when you subtract a negative from a positive?

Rule 4: Subtracting a negative number from a positive number—when you see the subtraction (minus) sign followed by a negative sign, turn the two signs into a plus sign. Thus, instead of subtracting a negative, you’re adding a positive, so you have a simple addition problem.

What happens when you subtract a negative by 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.