#placevalue #math #teaching Check out my newest place value song: http://youtu.be/21l3Jg5_MCg Have students sing along with the ones, tens, hundreds song! This video should help learners memorize the three units places. Be sure to pause the video to count the base ten blocks! Purchase the song here: http://goo.gl/KxGRic See more of Mr. R.'s free math and science resources at http://mathstory.com