Clothes: spinning and dyeing, dyeing yarns, weaving, sewing, and shoemaking, *make an Aztec skirt

Buildings: causeways, bridges, and aqueducts, pyramids and temples, building tools, house for rich and poor, *make a thatched roof

Industry: mining and minerals, smelting

Arts and Crafts: metalworking, *make an Aztec metal pendant, feather decorations, mosaics, pottery, *make an Aztec pot

Health: herbal medicine and remedies, *make your own herbal, treating the sick, setting bones, cutting and bleeding

Travel: road networks, canals and waterways, building canoes, porters, *the easiest way to carry a load

Warfare: weapons, slings, bows and arrows, *make an eagle helmet

Astronomy and astrology: Aztec view of the universe

Measuring time: solar and sacred calendars

Reading and writing: codices, scribes, producing codices