All
Humanities
Math
7th grade (U.S.)
8th grade (U.S.)
Algebra
Exponent expressions and equations
Graphing and analyzing linear functions
Introduction to algebra
Linear equations
Linear inequalities
Multiplying and factoring expressions
Quadratic equations
Systems of equations and inequalities
Arithmetic and pre-algebra
Addition and subtraction
Applying mathematical reasoning
Arithmetic properties
Decimals
Exponents, radicals, and scientific notation
Factors and multiples
Fractions
Measurement
Multiplication and division
Negative numbers and absolute value
Ratios, proportions, units and rates
Telling time
New and noteworthy
Science
Talks and interviews
Sort By

Newest

Adding/subtracting negative numbers

Adding and subtracting negative numbers

Khan Academy
Adding and subtracting negative numbers
546
09:16

Negative number word problems 1

Khan Academy
Adding and subtracting negative numbers
540
04:21

Why subtracting a negative is equivalent to adding a positive

Intuition as to why subtracting a negative number is equivalent to adding the absolute value of that number

Khan Academy
Adding and subtracting negative numbers
588
01:32

Adding and subtracting negative number examples

Khan Academy
Adding and subtracting negative numbers
581
04:06

Example: Adding integers with different signs

Adding integers with different signs

Khan Academy
Adding and subtracting negative numbers
569
05:31

Example: Adding negative numbers

Adding Negative Numbers

Khan Academy
Adding and subtracting negative numbers
606
05:40