This short video and interactive assessment activity is designed to give fourth graders an overview of conversion of metric units of weight.
This short video and interactive assessment activity is designed to teach fourth graders about converting inches to compound units.
This short video and interactive assessment activity is designed to teach fifth graders about converting inches to feet.
This short video and interactive assessment activity is designed to teach fifth graders about converting inches to yards.
This short video and interactive assessment activity is designed to teach fifth graders about converting kilograms and grams into grams.
This short video and interactive assessment activity is designed to teach fifth graders about converting miles to feet.
This short video and interactive assessment activity is designed to teach fourth graders about converting years into weeks.
This short video and interactive assessment activity is designed to teach fourth graders about converting years to days.
This short video and interactive assessment activity is designed to give fourth graders an overview of comparison of weights (english units).
In this Cyberchase video segment, Matt uses subtraction to help Digit figure out how much time he has left in a cooking contest with Hacker.
This art history video discussion examines the "Coronation Mantle" likely made for the Norman ruler Roger II in 1133/34 in the royal workshop in Palermo of fabric from Byzantium or Thebes, Samite, silk, gold, pearls, filigree, sapphires, garnets, glass, and cloisonne enamel.
This art history video discussion examines Correggio's "Jupiter and Io" 1532-33, oil on canvas 163.5 x 70.5 cm (Kunsthistorisches Museum, Vienna).
This 10-minute video lesson looks at the beginnings of life on Earth. Life and photosynthesis start to thrive in the Archean Eon. [Cosmology and Astronomy playlist: Lesson 39 of 85]
This 10-minute video lesson looks at the formation of the Earth which is a the byproduct of a local supernova. [Cosmology and Astronomy playlist: Lesson 38 of 85]
This 11-minute video lesson looks at Potassium-Argon (K-Ar) dating and it can be used to date very old volcanic rock and the things that might be buried in between. [Cosmology and Astronomy playlist: Lesson 79 of 85]
This short video and interactive assessment activity is designed to teach second graders about counting cubes and creating a place value diagram.
This short video and interactive assessment activity is designed to teach first graders about counting rectangles, squares, and triangles in composite figures.
This short video and interactive assessment activity is designed to teach fourth graders about counting right angles in a turn.
This short video and interactive assessment activity is designed to teach third graders about counting vertices and sides in various shapes.
This short video and interactive assessment activity is designed to teach fourth graders about counting the angles in a closed figure.