Want some more practice with Ruby? Here are additional resources to help you dive deeper into what you've learned in class:
Do you know what an algorithm is? Check out this TED Talk about how algorithms can be used in seemply simple situations and also complex ones.
Chris Pine's Learn To Program
This is an excellent resource for beginners. Check out these chapters:
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Chapter 1 - Numbers
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Chapter 2 - Letters
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Chapter 3 - Variables and Assignment
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Chapter 4 - Mixing It Up
Learn everything you could possibly want to know about them here.
Get more info on number types from our friends at Team Treehouse.
View Ruby Resources on Learn.co and start learning to code for free.