What is the sum of a negative and a negative?
What is the sum of a negative and a negative?
Rule: The sum of two negative integers is a negative integer.
What is the sum of negative 4?
Answer. Answer: The sum of any integer and its opposite is equal to zero.
What is the relationship between 7 and negative 7?
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 negative and positive numbers?
Two signs
- 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 are the rules of negative numbers?
To get a negative number, you need one negative and one positive number. The rule works the same way when you have more than two numbers to multiply or divide. An even number of negative numbers will give a positive answer. An odd number of negative numbers will give a negative answer.
How do you introduce a negative number?
Students are introduced to the concept of negative numbers through simple equations and the use of a number line that is extended beyond zero in the negative (left) direction.
What does a negative positive equal?
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 are the examples of negative values?
Negative numbers can be either be whole numbers, fractions or decimals. For instance, – 2, – 3, – 4, – 5, -2/3, -5/7, -3/4, -0.5, -0.7. etc. are examples of negative numbers.
Where do you see negative numbers in real life?
Negative numbers are used in lots of different situations. You read about negative numbers in weather reports and on food packaging. The temperature -5°C is ‘negative five degrees’ and it means 5 degrees below zero. Read more about negative numbers on food packaging in the factsheet Storing frozen food.
What are some real life examples of integers?
10 Ways Integers Are In Real Life
- Temperature.
- AD & BC Time. Temperature is another way integers are shown in real life, because the temperature is always either over 0 or below zero.
- Speed Limit. When you’re driving, you can go over, or under the speed limit.
- Sea Level.
Why is 0 not positive or negative?
Negative numbers are numbers that are smaller than zero, and positive numbers are numbers that are bigger than zero. Since zero isn’t bigger or smaller than itself (just like you’re not older than yourself, or taller than yourself), zero is neither positive nor negative.
What is the difference between a negative sign and a minus sign?
Negative numbers are usually written with a minus sign in front. To help tell the difference between a subtraction operation and a negative number, occasionally the negative sign is placed slightly higher than the minus sign (as a superscript).
What happens when you subtract a negative from a 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.