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.

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.

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.

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...

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.

Find the zeroes ("roots") of quadratic functions and the vertex of their parabolas. Functions are given in standard, vertex, and factored form. Students receive immediate feedback and have the opportunity to try questions repeatedly,...

Practice subtracting 2-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice finding a missing side length on a rectangle when given the other side length and the area. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice identifying numerators and denominators in fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Name angles by their vertex, endpoints, or labels. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice division problems that work out to multiples of ten. Example: 1200 / 30 = 40. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving division problems with 0s in the solution, or quotient. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice multiplying a whole number times a fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice writing decimal numbers shown in grid diagrams. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Use area models and tape diagrams to multiply a fraction times a fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice taking exponents of whole numbers. All exponents in these problems are either positive or zero. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice writing algebraic expressions to match verbal descriptions of mathematical operations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice evaluating expressions using the order of operations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice plugging in values to evaluate real-world algebraic expressions. These are introductory problems, so the expressions aren't too complicated. Students receive immediate feedback and have the opportunity to try questions...

Practice thinking about how the values of expressions change as the values of their variables change. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice evaluating expressions in two variables by plugging in values for the variables. These problems include some fractions and decimals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch...

Practice writing inequalities with variables to describe real-world situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Identify the height of a triangle when given the base. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Find the base or height of a triangle when given the other and the area. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.