- Why is a minus times a minus a plus?
- Why do 2 negatives multiplied make a positive?
- Do 2 positives make a negative?
- Do 2 negatives make a positive when dividing?
- What do 2 positives make?
- What is a positive minus a negative?
- What is minus minus equal to?
- What is a minus divided by a positive?
- What are the rules for negative and positive numbers?
- Which is higher in negative numbers?
- Does a minus times a minus equal a plus?
- What is a positive times a negative?
- Is 7 positive or negative?
- What are the rules for adding and subtracting positive and negative numbers?

## Why is a minus times 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..

## Why do 2 negatives multiplied make a positive?

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

## Do 2 positives make a negative?

Multiplying and Dividing with Positive and Negative Numbers. … When the signs of the two numbers are the same, the answer will be positive. When the signs of the two numbers are different, the answer will be negative.

## Do 2 negatives make a positive when dividing?

When you are dividing with negative numbers and positive numbers, just be sure to count the number of negative signs. Two negative signs will cancel each other out. So if you have an even number (or zero) negative signs, then the answer will be positive.

## 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 is a positive minus a negative?

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 minus minus equal to?

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. For example, say we have the problem -2 – –4.

## What is a minus divided by a positive?

Rule 2: A positive number divided by a negative number equals a negative number. When you divide a negative number by a positive number, your answer is a negative number. As with multiplication, it doesn’t matter which order the positive and negative numbers are in, the answer is always a negative number.

## 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

## Which is higher in negative numbers?

On the number line the negative numbers are to the left of zero. –5 is less than 4, because –5 lies to the left of 4 on the number line. –1 is greater than –3, because –1 lies to the right of –3 on the number line.

## Does a minus times a minus equal a plus?

You may notice people “canceling off” minus signs. They are taking advantage of the fact that “minus times minus is plus”. For instance, suppose you have (–2)(–3)(–4). Any two negatives, when multiplied together, become one positive.

## What is a positive times a negative?

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.

## Is 7 positive or negative?

Any number without a minus sign in front of it is considered to be a positive number, meaning a number that’s greater than zero. So while -7 is negative seven, 7 is positive seven, or simply seven.

## 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.