- Why is minus a minus a plus?
- What is the rule for adding and subtracting positive and negative numbers?
- What is a negative plus a positive equal?
- What happens if you subtract a negative from a positive?
- When you divide a negative does the sign change?
- Why does my calculator say a negative squared is negative?
- What is the rule for multiplying negative numbers?
- Why is negative plus negative positive?
- What is a negative divide by a negative?
- Is a negative times a positive equal a negative?
- What is the rule for adding and subtracting?
- Is a negative divided by a negative negative?
- What are the rules for negative and positive numbers?

## Why is minus 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”).

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This is in fact the reason why the negative numbers were introduced: so that each positive number would have an additive inverse..

## 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.

## What is a negative plus a positive equal?

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 happens if 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.

## When you divide a negative does the sign change?

The Exception: Negative Numbers There is one very important exception to the rule that multiplying or dividing an inequality is the same as multiplying or dividing an equation. Whenever you multiply or divide an inequality by a negative number, you must flip the inequality sign.

## Why does my calculator say a negative squared is negative?

Why do all calculators return a negative answer when you square a negative number? The negation operator has the same place in the order of operations as subtraction. This is because negation is the same as subtracting from 0.

## What is the rule for multiplying negative numbers?

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.

## Why is negative plus negative positive?

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

## What is a negative divide 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.

## Is a negative times a positive equal a negative?

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 and subtracting?

Rules of integers for addition and subtraction : 1) If the two numbers have different sign like positive and negative then subtract the two numbers and give the sign of the bigger number. 2) If the two numbers have same sign i.e. either positive or negative signs then add the two numbers and give the common sign.

## Is a negative divided by a negative negative?

Like a negative divided by a negative will always be positive.

## What are the rules for 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