Audience: Students; Grades: K-3; Subject: Math. (2005) Dr. Rock introduces the mathematical concept of place value. He illustrates how numbers are placed in units of ones, tens, and hundreds and demonstrates how tens can be made by ones and groups of tens can equal hundreds. Also explains how a number can be classified as less than or greater than other another number by determining its value.
Broadcast In: English Duration: 0:14:14