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Coordinate plane problems in all four quadrants

By Khan Academy

In this word problem, we need to plot the ordered pairs and then figure out the difference in the y coodinate between the two. This will give us our answer!

Divide polynomials by polynomials with remainders

By Khan Academy

Sal divides (x^3+5x-4) by (x^2-x+1) using long division.

Constructing linear functions word problems

By Khan Academy

Sal is given a verbal description of a real-world relationship involving a person painting his room, and is asked to find the formula of the function that represents this relationship.

Find the reflection that maps a given figure to another

By Khan Academy

Sal is given two line segments on the coordinate plane, and determines the reflection that maps one of them into the other.

Find the dilation that maps a given figure to another (basic)

By Khan Academy

Sal shows how we can use dilations to map a line into another, parallel, line.

Equivalent fractions on the number line

By Khan Academy

Compare fractions by graphing them a number line and drawing fraction models.

Dividing unit fractions by whole numbers

By Khan Academy

Solve a word problem by dividing a fraction by a whole number. The example used in this video is 1/5 ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ 4.

Exploring angle-preserving transformations and similarity

By Khan Academy

Sal is given pairs of polygons, and then he determines whether they are similar by trying to map one onto the other using angle-preserving transformations.