Khan Academy
Khan Academy: Writing Basic Expressions Word Problems
Practice writing basic algebraic expressions to model real-world situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Writing Numerical Inequalities
Practice writing inequalities to describe real-world situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Surface Area
In this exercise, students practice finding the surface area of 3D objects. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Combining Like Terms With Negative Coefficients & Distribution
Practice combining like terms using the distributive property. These problems involve adding and subtracting negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Khan Academy
Khan Academy: Integers: Negative Numbers: Number Opposites
Students take a quiz over the concept of integer opposites, also known as additive inverses. After answering each question they are given feedback. Hints are available but affect the score. If students are still struggling with the...
Khan Academy
Khan Academy: Finite Geometric Series
Evaluate finite geometric series given in sigma notation, recursively, or explicitly. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Interquartile Range (Iqr)
Practice calculating the interquartile range from a set of data. Students are able to check their answers, view a solution, and watch a video or use a hint.
Khan Academy
Khan Academy: Understanding Dividing Fractions by Fractions
Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Slope From Equation
Find the slopes of lines whose equations are given in various forms. For example, find the slope of 2x+3y=5. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiply Binomials by Polynomials
Use the distributive property to express the product of a binomial and a polynomial as a single polynomial. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiply Binomials Intro
Use the distributive property to express the product of two binomials as a single polynomial. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Special Products of Binomials
Find special products (perfect squares and difference of squares) of "advanced" binomials: binomials with leading coefficients other than 1; binomials with higher degrees; and binomials with two variables. Students receive immediate...
Khan Academy
Khan Academy: Multiply Monomials Intro
Express the product of two monomial expressions as a single monomial. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiply Monomials
More challenging multiplying monomial problems like find the area or find missing values to make an equation true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiply Binomials
Multiply binomials of the form (ax + b). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiply Monomials by Polynomials
Use the distributive property to express the product of a monomial and a polynomial as a single polynomial. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Nested Fractions
Simplify rational expressions that contain rational expressions within their numerators or denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Systems of Equations Word Problems Capstone
Solve word problems that involve systems of equations, where there can either be a single solution, no solution, or infinite solutions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Khan Academy
Khan Academy: Systems of Equations Word Problems
Solve word problems by modeling them into a system of equations and solving it. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Precalculus: Matrix Row Operations
Determine the matrix that is the result of performing a specific row operation on a given matrix. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Slope Intercept Intro
Practice your basic understanding of slope-intercept form for linear equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Perfect Squares
Factor quadratic expressions of the general perfect square forms. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Features of Quadratic Functions: Strategy
Identify the form of a quadratic function that immediately reveals a given feature of that function. Features in question are the y-intercept of the graph, the zeroes ("roots") of the function, and the vertex of the parabola. Students...
Khan Academy
Khan Academy: Graph Quadratics in Standard Form
Graph quadratic functions given in the standard form a squared+bx+c. For example graph y=5x squared-20x+15. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.