This 9-minute video lesson is about identifying conics.

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This 6-minute video lesson looks at non-linear systems of equations.

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

This 7-minute video lesson concludes the look at non-linear systems of equations.

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

In order to accurately reflect collected data, the right type of sampling method needs to be determined. [7:04]

Converting from a longer number to exponential notation is covered in this lesson. [1:13] It is 12 of 13 in the series titled "Converting to Exponential Notation."

The process for converting a number raised to a power within a root symbol to a number raised to a fraction exponent is demonstrated in this video.

The process for converting a number raised to a power within a root symbol to a number raised to a fraction exponent is demonstrated in this video. This lesson [2:47] is 1 of 15 in the series titled "Converting to Fractional Exponent Form."

The process for converting a number raised to a power within a root symbol to a number raised to a fraction exponent is demonstrated in this video. This lesson [2:14] is 14 of 15 in the series titled "Converting to Fractional Exponent Form."

The process for converting a number raised to a power within a root symbol to a number raised to a fraction exponent is demonstrated in this video. This lesson [2:36] is 3 of 15 in the series titled "Converting to Fractional Exponent Form."

The process for converting a number raised to a power within a root symbol to a number raised to a fraction exponent is demonstrated in this video. This lesson [3:50] is 5 of 15 in the series titled "Converting to Fractional Exponent Form."

A brief refresher on the Cartesian plane includes how points are written in (x, y) format and oriented to the axes, and which directions are positive and negative. Then students learn about what it means for a relation to be a function and how to determine domain and range of a set of data points.

This task presents a real world application of finite geometric series. The context can lead into several interesting follow-up questions and projects. Many drugs only become effective after the amount in the body builds up to a certain level. This can be modeled very well with geometric series.

In this video segment from Cyberchase, the CyberSquad must get into a vault before Hacker, Buzz and Delete by cracking a code of shapes and numbers.

Shows how to complete the equation 4(x - 2) + x = 5x + __ so that it has infinitely many solutions. [1:04]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

The CyberSquad uses algebra to figure out how many gleamers they need and how many power glows are produced by each gleamer as they must power up a Cyberspace ship in this video from Cyberchase. [1:43]

In this video segment from Cyberchase, Harry has a fixed budget for clothing, so he uses algebra to figure out what combination of jackets and pants he can buy with $100. [3:24]

The primary purpose of this task is to illustrate certain aspects of the mathematics described in the A.SSE.1. The task has students look for structure in algebraic expressions related to a context, and asks them to relate that structure to the context. In particular, it is worth emphasizing that the task requires no algebraic manipulation from the students.

This task does not actually require that the student solve the system but that they recognize the pairs of linear equations in two variables that would be used to solve the system. This is an important step in the process of solving systems.

This purpose of this task is to help students see two different ways to look at percentages both as a decrease and an increase of an original amount. In addition, students have to turn a verbal description of several operations into mathematical symbols.