What is a structure and how do you make it sturdy? Hamza wants a new bookcase. He enlists help to build it and learns that there are three forms that make the basis of all structures: frames, shells, and solids.
Hamza is packing for a vacation, but he can't fit all of his stuff in his suitcase. Origami to the rescue - he takes a nod from the art of Japanese paper folding to make things with a lot of surface area take up less space.
Struggling with Rubik's Cube since it came out in the '80s? Learn how to solve the puzzle from any one of the 43 quintrillion starting points with an algorithm and simple advice.
Find out a fascinating fact about weeds and learn to measure how much soil you would need for a garden bed
Watch a classic episode of Numbers Count (see related videos) with your class and test them on what they have learned about addition, subtraction, rounding and the history of money.
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