Question: What Are The Rules For Multiplying Positive And Negative Numbers?

How do you add subtract multiply and divide 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..

When multiplying negative numbers what are the rules?

When multiplying negative numbers, just remember 2 things. 1: 2 negative values will always give a positive value. 2: If you only have 1 negative value, your answer will also be negative. Just remember these rules and the rest is simple multiplication.

What is the rule for adding subtracting multiplying and dividing?

Over time, mathematicians have developed a set of rules called the order of operations to determine which operation to do first. The rules are: Multiply and divide from left to right. Add and subtract from left to right.

What happens if you add a negative to a positive?

When you are adding a negative number to a positive number you are effectively subtracting the second number from the first. For example, take 4 + (-2). … And then you add the negative number, which means you are moving to the left – in the negative direction. Basically you are subtracting the 2.

What do you get when you divide a negative by a negative?

Rule 3: a negative number divided by a negative number equals a positive number. Two negatives make a positive, so a negative number divided by a negative number equals a positive number. For example, -8 / -2 = 4.

How do you explain negative numbers?

In mathematics, a negative number is a real number that is less than zero. Negative numbers represent opposites. If positive represents a movement to the right, negative represents a movement to the left. If positive represents above sea level, then negative represents below sea level.

What do 2 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 are the four rules of multiplying integers?

Multiplication and Division of Integers. RULE 1: The product of a positive integer and a negative integer is negative. RULE 2: The product of two positive integers is positive. RULE 3: The product of two negative integers is 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.

What is the rule for adding 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.

Do 2 negatives make 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.

What is a positive times a positive?

Rule 1: A positive number times a positive number equals a positive number. This is the multiplication you have been doing all along, positive numbers times positive numbers equal positive numbers. For example, 5 x 3 = 15. 5 is a positive number, 3 is a positive number and multiplying equals a positive number: 15.

What is a negative minus 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 are the rules for adding and subtracting positive and negative numbers?

Two signsWhen 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.