
In this video, the teacher explains how to round numbers that end in nines using base 10 blocks and place value concepts. The students learn how to identify benchmark numbers and the midpoint between them to determine whether to round up or down.

In this video, the teacher explains how to round numbers that end in nines using base 10 blocks and place value concepts. The students learn how to identify benchmark numbers and the midpoint between them to determine whether to round up or down.