Illustrative Mathematics
Illustrative Mathematics: G Mg Running Around a Track I
An Olympic track is made up of two straight sides and two semi-circular curves. For this task, students are asked to calculate the perimeters at two places on the first lane and to determine the span of a 400-meter lap. Aligns with G-MG.A.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Acinaces
A Persian sword, whence Horace speaks of the Medus acinaces. The acinaces was a short and straight weapon; and thus differed from the Roman sica, which was curved. It was worn on the right side of the body, whereas the Greeks and Romans...
Curated OER
Eternal Egypt: Ten Boxes for Storing Shawabti
These boxes with curved lids are painted with upright panels of red, blue, and green. The two knobs on the sides of each box are used to seal it.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Retis
A net. In hunting it was usual to extend nets in a curved line of considerable length, so as in part to suround a space into which the beasts of chase were driven through the opening left on one side. The range of nets was flanked by...