EngageNY
Estimating Quantities
Apply the concept of magnitude to estimate values and compare numbers. The ninth lesson of the 15-part series asks learners to write numbers to their next greatest power of 10 and then make comparisons. Scholars begin to understand the...
CK-12 Foundation
Ck 12: Elem Math: Comparing Digit Values in Numbers Numbers to 10000
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which number has a 5 in the tens place. The video is followed by practice problems to assess student understanding of the concept.