Khan Academy

"Inspiring Teacher" NFT being auctioned for Khan Academy

For the first time ever, an NFT masterpiece is being auctioned with 100% of the proceeds going to Khan Academy. It is being auctioned on OpenSea at...

Inequalities word problems | 6th grade | Khan Academy

Sal writes inequalities to represent scenarios in the real world.

Finding mistakes in one-step equations | 6th grade | Khan Academy

Sal finds mistakes in solutions to one-step equations.

One-step multiplication equations: fractional coefficients | 6th grade | Khan Academy

Sal solves one-step multiplication equations with fractional coefficients.

Analyzing relationships between variables using tables and equations | 6th grade | Khan Academy

Sal shows an example where, given a context/graph, we connect a table and equation to analyze the relationship between the variables in the context.

Writing equations for relationships between quantities | 6th grade | Khan Academy

Sal shows some examples of how to write equations given a context where two variables relate to each other, and how to use those equations to...

Dependent & independent variables | 6th grade | Khan Academy

Sal introduces independent and dependent variables: how to identify the independent/dependent variable in a given setting, and how we write...

Writing expressions with parentheses | 6th grade | Khan Academy

Sal shows some examples of how certain phrases suggest the need for grouping symbols when we write algebraic expressions.

Writing algebraic subtraction expressions | 6th grade | Khan Academy

Sal shows a few examples of how to write algebraic expressions with subtraction in the correct order based on different wordings.

Evaluating expressions like 5x² & ⅓(6)ˣ | 6th grade | Khan Academy

Sal works through a few examples showing how to evaluate some common expressions we see involving variables, exponents, and fractions.

Order of operations with fractions and exponents | 6th grade | Khan Academy

An example where we use order of operations to evaluate a more complex expression with fractions and exponents.

Order of operations | Variables & expressions | 6th grade | Khan Academy

Sal introduces the order operations: what they are, why we use this order, and how to use the order of operations to evaluate some basic expressions.