Curated OER
Math Flash - Place Value PowerPoint
Place value and the reading and writing of large numbers, are the focus of this math PowerPoint. Students are taught that place values can be bunched up into "periods," which consist of the ones, thousands, millions, billions, and...
Curated OER
Big Numbers, Volume 6, #1
In this math instructional activity, students read large numbers. They describe a million as a thousand thousands. Students use various ways of telling large amounts.