Instructional video

Mentally add 10 or 100 visualizing base ten blocks

teaches Common Core State Standards 2.NBT.B.8 http://corestandards.org/Math/Content/2/NBT/B/8

Mentally add 10 or 100 visualizing base ten blocks

In this lesson you will learn to mentally add 10 or 100 to a number by visualizing base ten blocks.