Curated Video
Expanded Notation: Reading and Writing Numbers Using Arrow Cards
In this video, the teacher explains how to show numbers using expanded notation. They demonstrate the use of arrow cards to understand place value and break down three-digit numbers into their hundreds, tens, and ones. The video also...
World Science Festival
Is math a kind of art?
Normally, when you think about math, the word "creativity" doesn't readily come to mind. Playing his best devil's advocate, Robert Krulwich challenges the panel to explain the "beauty" of a formula or the "elegance" of a proof. Is math a...
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