Quick Answer: What Is A Negative Plus A Positive?

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 subtracting multiplying and dividing?

Order of operations tells you to perform multiplication and division first, working from left to right, before doing addition and subtraction. Continue to perform multiplication and division from left to right. Next, add and subtract from left to right.

Do 3 negatives equal a positive?

Rule 3: A negative number times a negative number, equals a positive number. Two negatives make a positive, so a negative number times a negative number makes a positive number. … -2 x -4 are both negative, so we know the answer is going to be positive.

What are positive and negative numbers?

About Positive and Negative Numbers Positive numbers are any numbers greater than zero, for example: 1, 2.9, 3.14159, 40000, and 0.0005. … Negative numbers are less than zero (see the number line for a more complete explanation of this). Similarly, the opposite of any negative number is a positive number.

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.

Does a negative and a negative make a positive?

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

What is the rule for multiplying and dividing positive and negative numbers?

With two numbers, the rules for multiplying and dividing positive and negative numbers are not only simple, but they’re also the same for both operations: When multiplying or dividing two numbers, if the two signs are the same, the result is positive, and if the two signs are different, the result is negative.

What is the quotient of two negative numbers?

RULE 3: The quotient of two negative integers is positive. If the signs are different the answer is negative. If the signs are alike the answer is positive.

Does a minus times a minus equal a plus?

Adding and multiplying combinations of positive and negative numbers can cause confusion and so care must be taken. Two ‘pluses’ make a plus, two ‘minuses’ make a plus. A plus and a minus make a minus.

Whats a positive plus a negative?

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 is a minus and a minus a plus?

The answer has to do with the fundamental properties of operations on numbers (the notions of “addition”, “subtraction”, “multiplication”, and “division”). … This is in fact the reason why the negative numbers were introduced: so that each positive number would have an additive inverse.

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 is the rule for adding and subtracting integers?

To add integers having the same sign, keep the same sign and add the absolute value of each number. To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest. Subtract an integer by adding its opposite.

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

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.