S8UQ5Rq7
1.0
CCSS.Math.Content.3.MD.C.7a
Find the area of a rectangle with whole-number side lengths by tiling it, and show that the area is the same as would be found by multiplying the side lengths.
158
2020-12-17T17:26:55.717954Z
2020-12-17T17:26:55.717987Z
5