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Language Tree
Intro Spanish Lesson: The Spanish Alphabet
Learn the Spanish alphabet. This video will cover how to say the letters of the Spanish alphabet.
Rachel's English
Questions and Intonation: Up or Down? -- American English Pronunciation
How to know the intonation of questions? Yes/no questions go up in pitch at the end, while other questions go down in pitch.
Music Matters
How to Work Out the Key of a Piece of Music - Music Theory
Learn how to work out the key of a piece of sheet music. In this music theory lesson we take a look at four extracts of music and practice working out their keys. You'll learn how to make sure you get the correct key by looking at the...
Curated Video
Conditional Probability and Tree Diagrams: Determining Thumb Preference Based on Handedness
In this video, we learn about conditional probability through the example of determining if someone is right or left thumbed based on their right-handedness. The teacher explains how to read a tree diagram and fills it in with...