Little brother's homework. Can't figure it out and I'm feeling dumb. Reddit r/Homeworkhelp)
Need to complete the sequence 1, 11, 21, 1211, 111221, ?, ?. This is a very classic sequence called the “look and say sequence” also known as the Morris number sequence, that I had previously encountered and just saw this a few days ago on Reddit r/homeworkhelp. I didn't figure this out when I first got asked by my classmate a very long time ago.
Original post on Reddit: https://www.reddit.com/r/HomeworkHelp/s/egWOcwR8BR
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Why do we “keep, change, & flip" when we divide by a fraction?
Math lesson ob why we do the "keep, change, and flip" method when we divide fractions. We first learn about fractions (how to add, subtract, multiply, and divide by fractions) in about 5th grade. Dividing fractions usually confuses students because we don't often see the reason why we use the "keep, change, and flip" method. At the end, we will also see what ChatGPT says about why we use this method.
Check out my 100 fractions for more practice: 👉 https://youtu.be/BP9cZkxB7uY
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#math #algebra #mathbasics
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