Addition in different bases (Part 2)
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Meets NCTM Standards:
Lesson Summary:
In this video, Professor Perez from Saddleback College teaches how to do addition with different bases, specifically base 8, base 4, and base 2. He uses a friendly stuffed animal named Charlie to help explain the process. Professor Perez breaks down each step and shows how to carry over numbers in each place value. By the end of the lesson, viewers will have learned how to add numbers in different bases with carry-over.
Lesson Description:
Addition with different bases with a lot of carry-over.
Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.
Additional Resources:
- Converting numbers between bases - A conversion calculator and table of example values to help understand other bases and change between them.
Questions answered by this video:
- How do you add numbers in different bases if you have to carry digits over?
- How do you add 45554 + 12433 in base 8?
- How do you convert 60207 base 8 to base 10?
- How do you add 10021 + 33223 in base 4?
- How do you add 11011 + 11001 in base 2 and what does it equal in base 10?
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Staff Review
Some more difficult problems are tackled in this lesson, as there is a carry-over when these numbers are added. The same principles apply, but a bit more thinking is required in these problems. A bunch of good examples are shown, and the abacus really helps you see what is going on very clearly. -
kimmiehavinfun
I am taking a class via correspondence and the book is horrible. I am so thankful to have resources such as this describing what I need to learn. I don't think I would pass with out it! I love it! This video, and all videos by Perez, are awesome. As an adult learner, I really connected to his explanation and humor!
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