Hot answers tagged math
https://www.khanacademy.org/ has a lot of resources. Practice problems, hints, how-to videos. There is a myriad of open source textbooks out there too. These are mostly college texts, but there are also some high school texts. There are a lot of homeschooling resources out there too.
A math teacher friend of mine recommended Saxon or Singapore. There are a ton of resources available for each. Based on some research I'm going to go with Saxon.
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