PBS
Math with Jake: Music Transposition
What's that sound? Transpose music proportionally using a ukulele. A ukulele artist explains how math is beneficial in transposing songs written in one key to another. The video demonstrates that transposing keeps the ratio between the...
Curated OER
What are Similar Figures?
Similar figures have the same shape, the same corresponding angles, but different lengths of their corresponding sides. The teacher explains just what all that means. She demonstrates how to compare the two shapes to prove they are similar.
PBS
Area and Volume in Kapa Cloth Making
Using an installment from the Math at the Core series, pupils learn about Kapa cloth, which is made from bark. The video shows how much cloth one cup of bark makes. Then classmates, working in pairs, determine the number of cups of bark...
California Academy of Science
Coral Reefs and Climate Change
Coral reefs cover less than one percent of the ocean floor, yet more than 25 percent of marine life lives in coral reefs. A colorful, engaging video describes the health of coral reefs and why the formations matter. The first lesson in a...
Curated OER
Basic Rate Problem
A simple rate problem is looked at in this video. The listener needs to compute whether four trains each going different distances over different amounts of time are moving at the same constant rate. This problem reinforces ones basic...
TED-Ed
Why Are Some People Left-Handed?
Despite what some may think, being right- or left-handed isn't a conscious choice people make. Watch this short video to find out exactly what determines a person's dominant hand, and how the cooperative and competitive nature of humans...
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