Test your knowledge of the skills in this course. Level up on all the skills in this unit and collect up to 600 Mastery points!

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 …

Signs of sums on a number line | Integers: Addition and subtraction | 7th grade | 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).

Practice Word problems involving negative numbers Get 3 of 4 questions to level up!

Level up on all the skills in this unit and collect up to 1,400 Mastery points!

Let's model and evaluate sums using integer chip diagrams. When all the integer chips are negative, we can just count up our total negatives. When we have a positive integer chip and …

Practice adding positive and negative integers using a number line. Created by Sal Khan.

Test your understanding of Integers with these 10 questions.

About this unit Let's extend our addition and subtraction understanding to include negative numbers. Whether we need temperatures below zero, altitudes below sea level, or decreases …