Learning how to regroup when subtracting numbers can be challenging and requires a solid understanding of place value. Walk your class through the steps with a clear and explicit presentation that addresses standard regrouping and...

Identify the larger number, place the smaller number on the bottom, and then subtract in order to determine elapsed time. Animated slides of each step are also narrated by a friendly voice to teach elementary math minds how to solve such...

Adding and subtracting mixed numbers need the same attention that regular fractions do by finding a common denominator. If you plan to use a vertical line-up of the fractions then this video is for you. It just introduces this method, it...