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

Thinking about multiple solutions to a system of equations

Khan Academy
Systems word problems
502
02:11

Systems of equation to realize you are getting ripped off

Khan Academy
Systems word problems
524
04:14

Linear systems word problem with substitution

Algebraic Word Problem

Khan Academy
Systems word problems
561
08:01

Using a system of equations to find the price of apples and oranges

Khan Academy
Systems word problems
562
05:05