This instructor in this video, Sal Khan, discusses how to solve this problem: 100 is what percent of 80?
Mr. Khan uses computer software (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in... Education. The viewer may want to open the video to 'full screen' as the instructor fits a lot of information on a dark screen. (04:37)[more]

This instructor in this video, Sal Khan, discusses how to solve this problem: 78 is 15 percent of what number?
Mr. Khan uses computer software (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Aw...ard in Education. The viewer may want to open the video to 'full screen' as the instructor fits a lot of information on a dark screen. (05:26)[more]

This instructor in this video, Sal Khan, discusses how to solve this problem: Show 109 percent by shading the squares.
Mr. Khan uses computer software (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft... Tech Award in Education. The viewer may want to open the video to 'full screen' as the instructor fits a lot of information on a dark screen. (02:22)[more]

This instructor in this video, Sal Khan, discusses how to solve this problem: Shade 20 percent of the square. Mr Khan discusses what the word 'percent' means.
Mr. Khan uses computer software (with different colors) to illustrate his points. Sal Kh...an is the recipient of the 2009 Microsoft Tech Award in Education. The viewer may want to open the video to 'full screen' as the instructor fits a lot of information on a dark screen. (03:01)[more]

This instructor in this video, Sal Khan, discusses how to solve this problem: 150 is 25 percent of what number?
Mr. Khan uses computer software (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech A...ward in Education. The viewer may want to open the video to 'full screen' as the instructor fits a lot of information on a dark screen. (06:17)[more]

This video is nearly ten minutes in duration and shows students how to calculate rapidly. In this case restaurant tips calculations are used. The video uses a narrator and a white board. The video may have to be stopped at times to allow the students... to digest the information.[more]

The instructor uses an electronic chalkboard to demonstrate how to find what percent a number is of another number. One example is modeled using astep by step approach to walk the learner through this process.

The instructor uses an electronic chalkboard to demonstrate finding a number given its percent of another number. One example is modeled using astep by step approach to walk the learner through this process.

In this video a teacher explains finding a percent discount using a proportion. The problem is worked on a white board and explained in detail. ( 3:35)

This selection provides clear, step-by-step directions for finding percent of a number ( ex. What is 20% of 50?). Several problems are worked and explained in detail on a white board. (08:47)

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