Provide a more traditional approach. The video introduces the more traditional approach to multiplying multi-digit numbers—using the column method. Pupils watch the presenter multiply by one-digit, two-digit, and three-digit numbers for...

While dogs may not be able to see quite as well as humans, they definitely have us beat when it comes to their sense of smell. Prepare to be amazed as this short video investigates the incredibly sensitive noses of man's best friend.

Can you tell, algebraically, if three lines are parallel? In this video, Sal demonstrates how to rewrite linear equations in slope-intercept form and compare the slope of each line.

In this thought-provoking video, Sal shows how a typical linear scale is different from a logarithmic scale. He plots numbers on both scales and compares them to show why the logarithmic scale is useful. This video gives an intuitive...

In this lesson, you will learn how to compare and order numbers to the millions place. [5:01]

In this lesson you will compare the value of the digits in a whole number by representing the number with models and using your knowledge of place value. [6:48]

Presents several examples of ratio tables and asks questions about the equivalent ratio values. [5:05]