
Adding & subtracting negative numbers (video) | Khan Academy
Learn how to add and subtract negative numbers. The problems solved in this video are 2 - 3 = -1 and -2 - 3 = -5 and -2 + 3 = 1 and 2 - (-3) = 5 and -2 - (-3). Created by Sal Khan.
Add and subtract negative numbers - Math | Khan Academy
Learn about numbers below 0 and how they relate to positive numbers. Add, subtract, multiply and divide negative numbers.
Negative numbers: addition and subtraction | Khan Academy
Add and subtract negative numbers, and see how absolute value can be used to find the distance between any two numbers on the number line.
Negative numbers: addition and subtraction FAQ - Khan Academy
Whenever we add a negative number, we move left on the number line, and whenever we add a positive number, we move right. For subtraction, we move in the opposite direction!
Integers: addition and subtraction | 7th grade math | Khan Academy
Let's extend our addition and subtraction understanding to include negative numbers. Whether we need temperatures below zero, altitudes below sea level, or decreases from any other …
Subtracting negative numbers review - Khan Academy
Note: In both examples, we change subtraction to addition and changed the sign of the second number to the opposite sign. Want to know why this works? Check out this video. Once we …
Negative numbers | Arithmetic (all content) | Math | Khan Academy
Learn about numbers below 0 and how they relate to positive numbers. Add, subtract, multiply and divide negative numbers.
Adding negative numbers review (article) | Khan Academy
What I do is I subtract the larger absolute value (|-38|) minus the smaller absolute value (|11|). Then, to find the sign, I use the original sign of the larger absolute value (|-38|).
Subtracting a negative = adding a positive - Khan Academy
Find out why subtracting a negative number is the same as adding the absolute value of that number.
Adding numbers with different signs (video) | Khan Academy
The negative/positive sign of a number will move with that number and while adding/subtracting integers you can shift the numbers to a more "comfortable" place (commutative property).