Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Area of Squares and Rectangles Word Problems

3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area of a square and rectangle.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Addition Sums to 100

1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video explains two, two-digit addition problems one with regrouping and the other without regrouping.
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Identifying Factors

3rd - 4th
[Free Registration/Login may be required to access all resource tools.] Video demonstrating how to identify the factors of 14. [1:01]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Addition and Subtraction of Weights (Metric Units)

4th - 5th Standards
[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]