SiiCoAGP
2.0
CCSS.Math.Content.1.MD.A.2
Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps.
72
2020-12-17T17:26:55.198008Z
2020-12-17T17:26:55.198041Z
4