CK-12 Foundation
Ck 12: Elem Math: Identifying Factors
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to identify the factors of 14. [1:01]
CK-12 Foundation
Ck 12: Elem Math: Overview of Addition and Subtraction of Weights (Metric Units)
[Free Registration/Login may be required to access all resource tools.] Video explaining the steps to follow when adding and subtracting compound metric units of weight. [0:35]