We all know how important modelling with manipulatives is for math understanding, but how can we model numbers in the hundred thousands and millions? This free lesson includes a google slideshow with virtual manipulatives that model these very large numbers. Also included in this freebie is a worksheet (with answers). This lesson is DAY 1 of my Place Value Units (based on the New Ontario Curriculum) which can be found in my store: Grade 5 Place ValueGrade 5/6 Place ValueGrade 6 Place Value