Introducing numbers in the ten thousands. Included: place value; comparing five-digit numbers using greater than and less than; standard and expanded form.

Originally released by Lucky Cat Productions, 2009. Streaming video file encoded with permission for digital streaming by Infobase on May 02, 2015.

Four-Digit Number Recognition (1:15); --Expanded Form (0:43); -- Math Dillon Challenge (1:33); -- Comparing Four Digit Numbers (1:32); -- Comparing and Ordering Four Digit Numbers (6:33);.